ENG/中
老虎證券
行情
交易
收費
下載
優惠與活動
幫助
TigerAI
學堂
期權訓練營
投資學堂
機構
財富及資產管理人
自營交易機構
介紹經紀商
三方服務商
股權激勵
關於
關於我們
媒體報道
獎項與榮譽
登入
立即註冊
Toggle
美股
詳情
本頁面由Tiger Trade Technology Pte. Ltd.提供服務
Mayville Engineering Company Inc.
18.09
-1.0100
-5.29%
盤前：
18.16
0.0732
+0.40%
04:06 EDT
成交量：
41.22萬
成交額：
753.94萬
市值：
4.61億
市盈率：
-21.69
高：
19.67
開：
18.93
低：
18.04
收：
19.10
52周最高：
38.76
52周最低：
12.25
股本：
2,549.40萬
流通股本：
1,835.89萬
量比：
1.19
換手率：
2.25%
股息：
- -
股息率：
- -
每股收益(TTM):
-0.8339
每股收益(LYR):
-0.4000
淨資產收益率：
-6.05%
總資產收益率：
-1.10%
市淨率：
1.42
市盈率(LYR):
-45.23
資料載入中...
總覽
公司
新聞資訊
公告
2021/03/05
年度報告
10-K - Annual report [Section 13 and 15(d), not S-K Item 405]
2021/03/03
重要事件披露
8-K - Current report
2021/02/11
超過5%披露
SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals
2021/02/09
超過5%披露
SC 13G - Statement of acquisition of beneficial ownership by individuals
2021/02/04
超過5%披露
SC 13G - Statement of acquisition of beneficial ownership by individuals
2020/12/04
重要事件披露
8-K - Current report
2020/11/03
季度報告
10-Q - Quarterly report [Sections 13 or 15(d)]
2020/11/03
重要事件披露
8-K - Current report
2020/08/27
員工持股計劃
11-K/A [Amend] - Annual report of employee stock purchase, savings and similar plans
2020/08/05
季度報告
10-Q - Quarterly report [Sections 13 or 15(d)]
2020/08/05
重要事件披露
8-K - Current report
2020/08/03
員工持股計劃
11-K - Annual report of employee stock purchase, savings and similar plans
2020/07/06
重要事件披露
8-K - Current report
2020/06/25
重要事件披露
8-K - Current report
2020/05/15
重要事件披露
8-K - Current report
2020/05/06
重要事件披露
8-K - Current report
2020/05/06
季度報告
Quarterly report [Sections 13 or 15(d)]
2020/04/02
重要事件披露
8-K - Current report
2020/03/13
重要事件披露
Current report, items 5.02 and 9.01
2020/03/02
年度報告
Annual report [Section 13 and 15(d), not S-K Item 405]
更多
{"basename":"/hant","ssrTDKData":{"titleTemplate":"%s - 老虎證券","title":"老虎證券香港 | 輕鬆買賣美股港股A股/美債/ETF/Crypto/期權期貨","description":"老虎證券香港提供多種優惠: 港股&Crypto 0佣、A股一年0佣、美股期權0佣、IPO抽新股0孖展利息0手續費。美股1美金起投，即時串流報價與多種工具，立即開戶享更多優惠！","keywords":"老虎證券,老虎證券開戶,老虎證券香港,老虎證券投資,老虎證券美股,老虎證券登錄,證券開戶,證券公司開戶,股票開戶,香港證券公司,香港證券,證券公司,美股投資平台,小額投資理財,投資app,投資平台,股票買賣,買賣股票平台,炒股app,證券app,新手投資","social":{"ogDescription":"老虎證券香港提供多種優惠: 港股&Crypto 0佣、A股一年0佣、美股期權0佣、IPO抽新股0孖展利息0手續費。美股1美金起投，即時串流報價與多種工具，立即開戶享更多優惠！","ogImage":"https://c1.itigergrowtha.com/portal5/static/media/og-logo.0a0bd8dc.png","ogUrl":"https://www.imtigers.com/hant/stock/MEC/filings?page=6"},"companyName":"老虎證券"},"pageData":{"isMobile":false,"isTiger":false,"isTTM":true,"region":"HKG","license":"TBHK","edition":"fundamental","symbol":"MEC","isAnalysisPage":false},"__swrFallback__":{"@#url:\"https://hq.skytigris.cn/stock_info/detail/global\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"MEC\",,,,,undefined,":{"symbol":"MEC","market":"US","secType":"STK","nameCN":"Mayville Engineering Company Inc.","latestPrice":18.09,"timestamp":1789416000000,"preClose":19.1,"halted":0,"volume":412183,"hourTrading":{"tag":"盘前","latestPrice":18.1632,"preClose":18.09,"latestTime":"04:06 EDT","volume":1,"amount":18.1632,"timestamp":1789459615346,"change":0.0732,"changeRate":0.004046,"amplitude":0},"delay":0,"changeRate":-0.05287958115183254,"floatShares":18358900,"shares":25494000,"eps":-0.833854,"marketStatus":"盤前交易","change":-1.01,"latestTime":"09-15 04:28:49 EDT","open":18.93,"high":19.67,"low":18.04,"amount":7539407.011481,"amplitude":0.08534,"askPrice":28.94,"askSize":200,"bidPrice":16.02,"bidSize":100,"shortable":3,"etf":0,"ttmEps":-0.833854,"tradingStatus":1,"nextMarketStatus":{"tag":"開盤","tradingStatus":2,"beginTime":1789479000000},"marketStatusCode":1,"adr":0,"adrRate":0,"listingDate":1557374400000,"exchange":"NYSE","adjPreClose":18.09,"preHourTrading":{"tag":"盘前","latestPrice":18.1632,"preClose":18.09,"latestTime":"04:06 EDT","volume":1,"amount":18.1632,"timestamp":1789459615346,"change":0.0732,"changeRate":0.004046,"amplitude":0},"postHourTrading":{"tag":"盘后","latestPrice":18.09,"preClose":18.09,"latestTime":"19:59 EDT","volume":12438,"amount":225003.764,"timestamp":1789430399890,"change":0,"changeRate":0,"amplitude":0},"volumeRatio":1.1902325291569438,"impliedVol":0.6488,"impliedVolPercentile":0.844},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"MEC\",,,,,undefined,":{"symbol":"MEC","floatShares":18358900,"roa":"-1.10%","roe":"-6.05%","lyrEps":-0.399999,"volumeRatio":1.1902325291569438,"shares":25494000,"dividePrice":0,"high":19.67,"amplitude":0.08534,"preClose":19.1,"low":18.04,"week52Low":12.25,"pbRate":"1.42","psRate":"0.79","week52High":38.76,"institutionHeld":0,"latestPrice":18.09,"committee":-0.333333,"eps":-0.833854,"divideRate":0,"volume":412183,"delay":0,"ttmEps":-0.833854,"open":18.93,"prevYearClose":18.72,"prevWeekClose":19.1,"prevMonthClose":19.36,"prevQuarterClose":37.46,"fiveDayClose":19.66,"twentyDayClose":24.09,"sixtyDayClose":33.51},"@#url:\"https://hq.skytigris.cn/fundamental/corporate_actions/details/MEC\",params:#limit:5,,,undefined,":[{"market":"US","date":"2026-08-04","symbol":"MEC","fiscalQuarterEnding":"2026/06","expectedEps":-0.09,"name":null,"time":"盤後","type":"earning","dateTimestamp":1785816000000,"reportTimeType":"post","actualEps":-0.09},{"market":"US","date":"2026-05-05","symbol":"MEC","fiscalQuarterEnding":"2026/03","expectedEps":-0.35,"name":null,"time":"盤後","type":"earning","dateTimestamp":1777953600000,"reportTimeType":"post","actualEps":-0.4},{"date":"2026-03-03","symbol":"MEC","type":"earning","reportTimeType":"post","market":"US","fiscalQuarterEnding":"2025/12","expectedEps":-0.22,"defaultRemindTime":1772571600000,"name":null,"time":"盤後","dateTimestamp":1772514000000,"actualEps":null},{"market":"US","date":"2025-11-04","symbol":"MEC","fiscalQuarterEnding":"2025/09","expectedEps":-0.01,"name":null,"time":"盤後","type":"earning","dateTimestamp":1762232400000,"reportTimeType":"post","actualEps":-0.13},{"market":"US","date":"2025-08-05","symbol":"MEC","fiscalQuarterEnding":"2025/06","expectedEps":0.03,"name":null,"time":"盤後","type":"earning","dateTimestamp":1754366400000,"reportTimeType":"post","actualEps":0.07}],"@#url:\"https://hq.skytigris.cn/fundamental/dividend/history\",params:#symbol:\"MEC\",market:\"US\",,,undefined,":[],"@#url:\"https://hq.skytigris.cn/fundamental/estimate/recommendation\",params:#symbol:\"MEC\",market:\"US\",delay:false,,,undefined,":{"strongBuy":0.4,"buy":0.6,"hold":0,"sell":0,"strongSell":0,"meanLabel":"BUY","meanPercent":0.6,"analysts":5,"updateTime":1772942400000},"@#url:\"https://hq.skytigris.cn/value_analysis/stock/MEC\",params:#withQuantilePoint:true,period:\"5year\",factor:\"peRate\",delay:false,algorithm:1,,,undefined,":{"brief":{"id":"MEC","date":"2026-09-11","current":-21.694445,"percent":0.17817,"low":-60.197551,"twenty":-26.432706,"median":18.836913,"eighty":38.321044,"high":120.326117,"avg":16.660268,"sd":36.863712,"marketCap":481956255},"quantilePoints":[{"date":"2021-09-17","current":67.499863,"twenty":-69.424273,"median":-27.201093,"eighty":17.552903,"marketCap":385356720},{"date":"2021-09-24","current":71.086466,"twenty":-68.789536,"median":-27.067199,"eighty":17.668994,"marketCap":405832635},{"date":"2021-10-01","current":65.921758,"twenty":-67.837432,"median":-26.923005,"eighty":17.788371,"marketCap":376347317},{"date":"2021-10-08","current":66.746677,"twenty":-67.325817,"median":-26.758213,"eighty":18.144041,"marketCap":381056778},{"date":"2021-10-15","current":68.001988,"twenty":-66.943107,"median":-26.342726,"eighty":18.362921,"marketCap":388223348},{"date":"2021-10-22","current":67.679194,"twenty":-64.584409,"median":-26.016646,"eighty":18.777642,"marketCap":386380516},{"date":"2021-10-29","current":63.698064,"twenty":-63.790988,"median":-25.862153,"eighty":49.244055,"marketCap":363652250},{"date":"2021-11-05","current":49.620492,"twenty":-62.918226,"median":-25.63823,"eighty":49.92551,"marketCap":351511566},{"date":"2021-11-12","current":48.870415,"twenty":-62.6802,"median":-24.984203,"eighty":49.67819,"marketCap":346198019},{"date":"2021-11-19","current":44.74499,"twenty":-62.442174,"median":-24.632585,"eighty":49.620492,"marketCap":316973511},{"date":"2021-11-26","current":44.543046,"twenty":-62.442174,"median":-24.581821,"eighty":49.597413,"marketCap":315542941},{"date":"2021-12-03","current":42.610155,"twenty":-62.18828,"median":-24.373692,"eighty":49.499325,"marketCap":301850339},{"date":"2021-12-10","current":42.610155,"twenty":-61.870912,"median":-24.245124,"eighty":49.290493,"marketCap":301850339},{"date":"2021-12-17","current":40.042583,"twenty":-61.807438,"median":-24.077274,"eighty":49.222094,"marketCap":283661659},{"date":"2021-12-23","current":41.45619,"twenty":-61.426596,"median":-23.94423,"eighty":49.164676,"marketCap":293675652},{"date":"2021-12-31","current":43.014043,"twenty":-61.125097,"median":-23.68676,"eighty":48.974272,"marketCap":304711480},{"date":"2022-01-07","current":42.43706,"twenty":-60.902939,"median":-23.523249,"eighty":48.835796,"marketCap":300624136},{"date":"2022-01-14","current":41.917776,"twenty":-60.728387,"median":-23.316654,"eighty":48.36267,"marketCap":296945527},{"date":"2022-01-21","current":33.147643,"twenty":-60.664913,"median":-23.276967,"eighty":47.820307,"marketCap":234817901},{"date":"2022-01-28","current":31.705186,"twenty":-60.522097,"median":-23.033525,"eighty":47.214475,"marketCap":224599541},{"date":"2022-02-04","current":31.93598,"twenty":-60.379281,"median":-22.967981,"eighty":46.216296,"marketCap":226234479},{"date":"2022-02-11","current":29.685748,"twenty":-60.315807,"median":-22.849835,"eighty":45.137339,"marketCap":210293838},{"date":"2022-02-18","current":30.378127,"twenty":-60.125387,"median":-22.700193,"eighty":44.866156,"marketCap":215198651},{"date":"2022-02-25","current":29.772295,"twenty":-59.934966,"median":-22.576598,"eighty":44.704601,"marketCap":210906940},{"date":"2022-03-04","current":-27.563334,"twenty":-59.744545,"median":-22.67944,"eighty":44.525737,"marketCap":205374404},{"date":"2022-03-11","current":-27.400077,"twenty":-57.830988,"median":-22.834683,"eighty":44.41034,"marketCap":204157971},{"date":"2022-03-18","current":-27.998688,"twenty":-50.007052,"median":-22.937083,"eighty":44.208397,"marketCap":208618225},{"date":"2022-03-25","current":-26.991932,"twenty":-49.152859,"median":-22.98858,"eighty":44.052612,"marketCap":201116889},{"date":"2022-04-01","current":-25.168889,"twenty":-48.236441,"median":-23.266667,"eighty":43.642954,"marketCap":187533390},{"date":"2022-04-08","current":-22.583976,"twenty":-47.34265,"median":-23.256368,"eighty":43.360232,"marketCap":168273204},{"date":"2022-04-14","current":-23.917247,"twenty":-47.206884,"median":-23.209797,"eighty":43.244836,"marketCap":178207405},{"date":"2022-04-22","current":-23.427474,"twenty":-47.093745,"median":-23.279296,"eighty":43.215987,"marketCap":174558106},{"date":"2022-04-29","current":-22.529557,"twenty":-46.952323,"median":-23.264216,"eighty":43.014043,"marketCap":167867726},{"date":"2022-05-06","current":-27.403527,"twenty":-46.839185,"median":-23.279296,"eighty":43.014043,"marketCap":169189373},{"date":"2022-05-13","current":-27.17073,"twenty":-46.386632,"median":-23.400562,"eighty":42.956345,"marketCap":167752085},{"date":"2022-05-20","current":-28.035404,"twenty":-46.273494,"median":-23.467914,"eighty":42.869797,"marketCap":173090585},{"date":"2022-05-27","current":-30.4964,"twenty":-46.160356,"median":-23.481893,"eighty":42.840948,"marketCap":188284776},{"date":"2022-06-03","current":-30.729197,"twenty":-46.115101,"median":-23.565354,"eighty":42.840948,"marketCap":189722064},{"date":"2022-06-10","current":-29.432186,"twenty":-46.035904,"median":-23.68676,"eighty":42.656314,"marketCap":181714315},{"date":"2022-06-17","current":-24.94253,"twenty":-45.996306,"median":-23.931723,"eighty":42.610155,"marketCap":153995182},{"date":"2022-06-24","current":-25.640921,"twenty":-45.973678,"median":-23.956737,"eighty":42.592846,"marketCap":158307047},{"date":"2022-07-01","current":-26.372569,"twenty":-45.826598,"median":-24.077274,"eighty":42.494758,"marketCap":162824239},{"date":"2022-07-08","current":-25.341611,"twenty":-45.690833,"median":-24.192118,"eighty":42.379362,"marketCap":156459105},{"date":"2022-07-15","current":-22.647817,"twenty":-45.53244,"median":-24.139111,"eighty":42.188958,"marketCap":139827625},{"date":"2022-07-22","current":-23.379465,"twenty":-45.38536,"median":-24.120021,"eighty":42.021633,"marketCap":144344817},{"date":"2022-07-29","current":-23.745289,"twenty":-45.357075,"median":-23.971666,"eighty":41.969705,"marketCap":146603413},{"date":"2022-08-05","current":-40.171394,"twenty":-45.306163,"median":-24.077274,"eighty":41.906236,"marketCap":142086221},{"date":"2022-08-12","current":-44.98964,"twenty":-45.198682,"median":-24.144369,"eighty":41.877387,"marketCap":159128355},{"date":"2022-08-19","current":-44.409128,"twenty":-45.306163,"median":-24.304028,"eighty":41.848538,"marketCap":157075086},{"date":"2022-08-26","current":-42.957849,"twenty":-45.218668,"median":-24.368719,"eighty":41.819689,"marketCap":151941913},{"date":"2022-09-02","current":-39.532831,"twenty":-45.143807,"median":-24.443941,"eighty":41.79084,"marketCap":139827625},{"date":"2022-09-09","current":-42.087082,"twenty":-45.08899,"median":-24.581821,"eighty":41.756221,"marketCap":148862009},{"date":"2022-09-16","current":-38.604013,"twenty":-44.986193,"median":-24.64322,"eighty":41.640824,"marketCap":136542395},{"date":"2022-09-23","current":-39.416729,"twenty":-44.952632,"median":-24.801237,"eighty":41.45619,"marketCap":139416971},{"date":"2022-09-30","current":-37.791297,"twenty":-44.853712,"median":-24.909274,"eighty":41.44465,"marketCap":133667818},{"date":"2022-10-07","current":-39.010371,"twenty":-44.724577,"median":-25.072338,"eighty":41.329254,"marketCap":137979683},{"date":"2022-10-14","current":-37.094683,"twenty":-44.52523,"median":-25.208305,"eighty":41.023454,"marketCap":131203895},{"date":"2022-10-21","current":-36.107814,"twenty":-44.512841,"median":-25.468393,"eighty":40.902287,"marketCap":127713338},{"date":"2022-10-28","current":-38.95232,"twenty":-44.452453,"median":-25.63823,"eighty":40.711883,"marketCap":137774356},{"date":"2022-11-04","current":69.948616,"twenty":-44.409128,"median":-25.501649,"eighty":41.329254,"marketCap":194666998},{"date":"2022-11-11","current":77.48712,"twenty":-44.385908,"median":-25.341611,"eighty":41.756221,"marketCap":215646654},{"date":"2022-11-18","current":81.401343,"twenty":-44.264852,"median":-25.188597,"eighty":41.883157,"marketCap":226539937},{"date":"2022-11-25","current":78.501918,"twenty":-44.152154,"median":-24.959159,"eighty":42.033173,"marketCap":218470839},{"date":"2022-12-02","current":92.129213,"twenty":-43.886668,"median":-24.909274,"eighty":42.610155,"marketCap":256395601},{"date":"2022-12-09","current":93.723897,"twenty":-43.473325,"median":-24.716904,"eighty":42.869797,"marketCap":260833605},{"date":"2022-12-16","current":98.79789,"twenty":-43.388472,"median":-24.632585,"eighty":43.215987,"marketCap":274954527},{"date":"2022-12-23","current":93.868868,"twenty":-43.247049,"median":-24.545519,"eighty":44.139159,"marketCap":261237060},{"date":"2022-12-30","current":91.766785,"twenty":-43.201794,"median":-24.377916,"eighty":44.583435,"marketCap":255386964},{"date":"2023-01-06","current":94.013839,"twenty":-43.190224,"median":-24.339686,"eighty":45.898955,"marketCap":261640515},{"date":"2023-01-13","current":101.479858,"twenty":-43.050731,"median":-24.297403,"eighty":48.835796,"marketCap":282418444},{"date":"2023-01-20","current":96.768293,"twenty":-42.841747,"median":-24.144369,"eighty":49.233075,"marketCap":269306159},{"date":"2023-01-27","current":111.555358,"twenty":-42.593903,"median":-24.077274,"eighty":49.655111,"marketCap":310458560},{"date":"2023-02-03","current":115.107153,"twenty":-42.460739,"median":-23.956737,"eighty":50.939905,"marketCap":320343206},{"date":"2023-02-10","current":111.120444,"twenty":-42.415484,"median":-23.924485,"eighty":52.794792,"marketCap":309248196},{"date":"2023-02-17","current":117.644149,"twenty":-42.375885,"median":-23.811802,"eighty":53.892293,"marketCap":327403667},{"date":"2023-02-24","current":118.94889,"twenty":-42.336287,"median":-23.68676,"eighty":54.638306,"marketCap":331034761},{"date":"2023-03-03","current":16.481178,"twenty":-42.291565,"median":-23.565698,"eighty":54.638306,"marketCap":308643013},{"date":"2023-03-10","current":15.21008,"twenty":-42.179964,"median":-23.481893,"eighty":54.329858,"marketCap":284839173},{"date":"2023-03-17","current":13.906667,"twenty":-42.047544,"median":-23.467914,"eighty":53.992717,"marketCap":260430150},{"date":"2023-03-24","current":14.175967,"twenty":-41.882489,"median":-23.400562,"eighty":53.899466,"marketCap":265473337},{"date":"2023-03-31","current":16.071841,"twenty":-41.854878,"median":-23.299139,"eighty":53.8636,"marketCap":300977370},{"date":"2023-04-06","current":13.928211,"twenty":-41.854878,"median":-23.279695,"eighty":53.834907,"marketCap":260833605},{"date":"2023-04-14","current":12.624798,"twenty":-41.738775,"median":-23.264216,"eighty":53.512113,"marketCap":236424583},{"date":"2023-04-21","current":13.184942,"twenty":-41.578262,"median":-23.211489,"eighty":53.153452,"marketCap":246914411},{"date":"2023-04-28","current":12.872554,"twenty":-41.506571,"median":-23.146668,"eighty":52.256802,"marketCap":241064314},{"date":"2023-05-05","current":11.069846,"twenty":-41.493408,"median":-23.089714,"eighty":51.98612,"marketCap":193456634},{"date":"2023-05-12","current":12.953705,"twenty":-41.448519,"median":-22.98858,"eighty":51.647079,"marketCap":226378944},{"date":"2023-05-19","current":14.874507,"twenty":-41.448519,"median":-22.937083,"eighty":51.073223,"marketCap":259946889},{"date":"2023-05-26","current":14.46458,"twenty":-41.332417,"median":-22.847358,"eighty":50.739929,"marketCap":252782998},{"date":"2023-06-02","current":13.726711,"twenty":-41.285976,"median":-22.834683,"eighty":50.490093,"marketCap":239887995},{"date":"2023-06-09","current":17.134964,"twenty":-41.227925,"median":-22.750923,"eighty":50.025935,"marketCap":299450629},{"date":"2023-06-16","current":16.713324,"twenty":-40.98411,"median":-22.658688,"eighty":49.727654,"marketCap":292082055},{"date":"2023-06-23","current":17.48633,"twenty":-40.876142,"median":-22.583976,"eighty":49.643571,"marketCap":305591106},{"date":"2023-06-30","current":14.804234,"twenty":-40.820236,"median":-22.529557,"eighty":49.608952,"marketCap":258718793},{"date":"2023-07-07","current":13.316783,"twenty":-40.763667,"median":-22.481534,"eighty":49.568564,"marketCap":232724104},{"date":"2023-07-14","current":13.059115,"twenty":-40.673157,"median":-22.436896,"eighty":49.429808,"marketCap":228221087},{"date":"2023-07-21","current":13.574452,"twenty":-40.619245,"median":-22.306479,"eighty":49.238565,"marketCap":237227121},{"date":"2023-07-28","current":13.878969,"twenty":-40.368768,"median":-22.133718,"eighty":49.199295,"marketCap":242548869},{"date":"2023-08-04","current":18.810584,"twenty":-40.217835,"median":-21.940799,"eighty":49.078129,"marketCap":247566091},{"date":"2023-08-11","current":18.965531,"twenty":-40.169922,"median":-21.856226,"eighty":48.858875,"marketCap":249605350},{"date":"2023-08-18","current":17.741448,"twenty":-40.130676,"median":-21.676282,"eighty":48.662701,"marketCap":233495201},{"date":"2023-08-25","current":17.38507,"twenty":-39.985631,"median":-21.634757,"eighty":47.941473,"marketCap":228804904},{"date":"2023-09-01","current":18.190795,"twenty":-39.92759,"median":-21.565548,"eighty":47.335642,"marketCap":239409053},{"date":"2023-09-08","current":17.849911,"twenty":-39.88119,"median":-21.454813,"eighty":46.850976,"marketCap":234922682},{"date":"2023-09-15","current":17.94288,"twenty":-39.881139,"median":-21.329576,"eighty":45.264275,"marketCap":236146238},{"date":"2023-09-22","current":17.834417,"twenty":-39.765036,"median":-21.209439,"eighty":44.946934,"marketCap":234718756},{"date":"2023-09-29","current":16.796271,"twenty":-39.706985,"median":-21.039559,"eighty":44.74499,"marketCap":221055718},{"date":"2023-10-06","current":17.059681,"twenty":-39.648934,"median":-20.984192,"eighty":44.543046,"marketCap":224522459},{"date":"2023-10-13","current":17.94288,"twenty":-39.532831,"median":-20.81809,"eighty":44.456499,"marketCap":236146238},{"date":"2023-10-20","current":18.872562,"twenty":-39.532831,"median":-20.762723,"eighty":44.225706,"marketCap":248381794},{"date":"2023-10-27","current":17.199133,"twenty":-39.48639,"median":-20.721865,"eighty":44.191087,"marketCap":226357793},{"date":"2023-11-03","current":30.368584,"twenty":-39.347068,"median":-20.693514,"eighty":43.966064,"marketCap":242887937},{"date":"2023-11-10","current":27.829405,"twenty":-39.219356,"median":-20.568937,"eighty":43.579486,"marketCap":222579581},{"date":"2023-11-17","current":32.019051,"twenty":-39.114863,"median":-20.485886,"eighty":43.331383,"marketCap":256088369},{"date":"2023-11-24","current":32.831588,"twenty":-39.010371,"median":-20.418564,"eighty":43.239066,"marketCap":262587043},{"date":"2023-12-01","current":32.247577,"twenty":-38.998761,"median":-20.331298,"eighty":43.175598,"marketCap":257916121},{"date":"2023-12-08","current":33.13629,"twenty":-38.94071,"median":-20.015265,"eighty":43.014043,"marketCap":265024045},{"date":"2023-12-15","current":34.786756,"twenty":-38.894269,"median":-19.876846,"eighty":43.002503,"marketCap":278224477},{"date":"2023-12-22","current":35.167633,"twenty":-38.882659,"median":-19.752271,"eighty":42.939035,"marketCap":281270730},{"date":"2023-12-27","current":36.437223,"twenty":-38.859438,"median":-19.613852,"eighty":42.904416,"marketCap":291424908},{"date":"2024-01-05","current":33.263249,"twenty":-38.789777,"median":-19.096621,"eighty":42.864027,"marketCap":266039463},{"date":"2024-01-12","current":34.456663,"twenty":-38.604013,"median":-18.063569,"eighty":42.840948,"marketCap":275584390},{"date":"2024-01-19","current":33.593342,"twenty":-38.604013,"median":-17.509896,"eighty":42.840948,"marketCap":268679549},{"date":"2024-01-26","current":35.396159,"twenty":-38.313757,"median":-17.329953,"eighty":42.610155,"marketCap":283098482},{"date":"2024-02-02","current":32.628454,"twenty":-38.255706,"median":-16.859331,"eighty":42.610155,"marketCap":260962374},{"date":"2024-02-09","current":31.384256,"twenty":-38.228508,"median":-16.444076,"eighty":42.581306,"marketCap":251011280},{"date":"2024-02-16","current":32.806196,"twenty":-38.197655,"median":-15.904246,"eighty":42.43706,"marketCap":262383959},{"date":"2024-02-23","current":29.530655,"twenty":-38.058333,"median":-15.184472,"eighty":42.321664,"marketCap":236186180},{"date":"2024-03-01","current":31.079555,"twenty":-37.93062,"median":-14.284753,"eighty":42.085101,"marketCap":248574277},{"date":"2024-03-08","current":34.062669,"twenty":-37.860958,"median":-13.994075,"eighty":42.010094,"marketCap":267187579},{"date":"2024-03-15","current":33.153985,"twenty":-37.849348,"median":-13.481928,"eighty":41.935086,"marketCap":260059862},{"date":"2024-03-22","current":37.619518,"twenty":-37.849348,"median":11.161615,"eighty":41.894697,"marketCap":295087502},{"date":"2024-03-28","current":36.606985,"twenty":-37.814517,"median":11.529039,"eighty":41.871618,"marketCap":287145188},{"date":"2024-04-05","current":34.893466,"twenty":-37.721636,"median":12.23926,"eighty":41.842769,"marketCap":273704350},{"date":"2024-04-12","current":36.00985,"twenty":-37.605533,"median":12.707266,"eighty":41.81392,"marketCap":282461260},{"date":"2024-04-19","current":35.179053,"twenty":-37.350108,"median":12.85101,"eighty":41.785071,"marketCap":275944489},{"date":"2024-04-26","current":35.542526,"twenty":-37.141124,"median":12.917105,"eighty":41.721602,"marketCap":278795576},{"date":"2024-05-03","current":35.880037,"twenty":-36.704047,"median":13.001818,"eighty":41.548507,"marketCap":281443014},{"date":"2024-05-10","current":38.647451,"twenty":-36.390343,"median":13.034134,"eighty":41.45619,"marketCap":329044395},{"date":"2024-05-17","current":37.297321,"twenty":-36.390343,"median":13.034134,"eighty":41.45619,"marketCap":317549394},{"date":"2024-05-24","current":36.983899,"twenty":-36.390343,"median":13.034134,"eighty":41.45619,"marketCap":314880912},{"date":"2024-05-31","current":38.623341,"twenty":-36.390343,"median":13.034134,"eighty":41.45619,"marketCap":328839127},{"date":"2024-06-07","current":39.56361,"twenty":-36.390343,"median":13.034134,"eighty":41.45619,"marketCap":336844574},{"date":"2024-06-14","current":39.660048,"twenty":-36.390343,"median":13.034134,"eighty":41.45619,"marketCap":337665646},{"date":"2024-06-21","current":37.996496,"twenty":-36.416983,"median":13.027383,"eighty":41.45619,"marketCap":323502163},{"date":"2024-06-28","current":40.166346,"twenty":-36.416983,"median":13.027383,"eighty":41.45619,"marketCap":341976271},{"date":"2024-07-05","current":39.177859,"twenty":-36.416983,"median":13.027383,"eighty":41.45619,"marketCap":333560288},{"date":"2024-07-12","current":42.022774,"twenty":-36.416983,"median":13.027383,"eighty":41.756221,"marketCap":357781897},{"date":"2024-07-19","current":44.915908,"twenty":-36.416983,"median":13.027383,"eighty":41.883157,"marketCap":382414041},{"date":"2024-07-26","current":45.856177,"twenty":-36.416983,"median":13.027383,"eighty":42.240887,"marketCap":390419488},{"date":"2024-08-02","current":42.336197,"twenty":-36.416983,"median":13.027383,"eighty":42.610155,"marketCap":360450379},{"date":"2024-08-09","current":36.405573,"twenty":-36.416983,"median":13.146956,"eighty":42.610155,"marketCap":388884335},{"date":"2024-08-16","current":37.679575,"twenty":-36.416983,"median":13.326266,"eighty":42.610155,"marketCap":402493225},{"date":"2024-08-23","current":37.486545,"twenty":-36.416983,"median":13.539315,"eighty":42.610155,"marketCap":400431272},{"date":"2024-08-30","current":37.274211,"twenty":-36.376461,"median":13.747611,"eighty":42.610155,"marketCap":398163124},{"date":"2024-09-06","current":35.459723,"twenty":-36.376461,"median":13.865888,"eighty":42.610155,"marketCap":378780766},{"date":"2024-09-13","current":37.100484,"twenty":-36.376461,"median":14.011095,"eighty":42.610155,"marketCap":396307366},{"date":"2024-09-20","current":38.490304,"twenty":-35.554542,"median":14.134759,"eighty":42.610155,"marketCap":411153428},{"date":"2024-09-27","current":41.424369,"twenty":-35.554542,"median":14.269664,"eighty":42.610155,"marketCap":442495113},{"date":"2024-10-04","current":38.702638,"twenty":-35.44603,"median":14.454923,"eighty":42.610155,"marketCap":413421576},{"date":"2024-10-11","current":40.536429,"twenty":-35.44603,"median":14.694513,"eighty":42.610155,"marketCap":433010130},{"date":"2024-10-18","current":40.034549,"twenty":-35.44603,"median":14.886219,"eighty":42.610155,"marketCap":427649052},{"date":"2024-10-25","current":38.586819,"twenty":-35.44603,"median":15.204694,"eighty":42.610155,"marketCap":412184404},{"date":"2024-11-01","current":41.482279,"twenty":-31.697874,"median":15.387818,"eighty":42.610155,"marketCap":443113699},{"date":"2024-11-08","current":28.96354,"twenty":-31.162297,"median":15.845629,"eighty":42.610155,"marketCap":354050310},{"date":"2024-11-15","current":28.389335,"twenty":-30.809941,"median":16.123202,"eighty":42.610155,"marketCap":347031237},{"date":"2024-11-22","current":28.693326,"twenty":-30.491526,"median":16.420567,"eighty":42.610155,"marketCap":350747217},{"date":"2024-11-29","current":28.456889,"twenty":-30.385795,"median":16.57274,"eighty":42.610155,"marketCap":347857011},{"date":"2024-12-06","current":28.946651,"twenty":-30.081792,"median":16.780776,"eighty":42.610155,"marketCap":353843867},{"date":"2024-12-13","current":28.997317,"twenty":-29.638993,"median":17.00545,"eighty":42.610155,"marketCap":354463197},{"date":"2024-12-20","current":27.342257,"twenty":-29.232137,"median":17.164245,"eighty":42.610155,"marketCap":334231751},{"date":"2024-12-27","current":26.497839,"twenty":-29.094149,"median":17.240417,"eighty":42.610155,"marketCap":323909584},{"date":"2025-01-03","current":26.126295,"twenty":-28.855199,"median":17.38507,"eighty":42.610155,"marketCap":319367831},{"date":"2025-01-10","current":24.792115,"twenty":-28.706138,"median":17.472203,"eighty":42.610155,"marketCap":303058808},{"date":"2025-01-17","current":26.632946,"twenty":-28.600768,"median":17.586501,"eighty":42.610155,"marketCap":325561131},{"date":"2025-01-24","current":27.443587,"twenty":-28.068661,"median":17.825984,"eighty":42.610155,"marketCap":335470411},{"date":"2025-01-31","current":26.768053,"twenty":-27.998688,"median":17.896395,"eighty":42.610155,"marketCap":327212678},{"date":"2025-02-07","current":27.038267,"twenty":-27.802607,"median":18.051343,"eighty":42.610155,"marketCap":330515771},{"date":"2025-02-14","current":26.193848,"twenty":-27.699382,"median":18.190795,"eighty":42.610155,"marketCap":320193604},{"date":"2025-02-21","current":25.450761,"twenty":-27.636324,"median":18.671131,"eighty":42.610155,"marketCap":311110098},{"date":"2025-02-28","current":25.2481,"twenty":-27.481706,"median":18.888057,"eighty":42.610155,"marketCap":308632778},{"date":"2025-03-07","current":11.291923,"twenty":-27.260831,"median":18.957783,"eighty":42.656314,"marketCap":293228658},{"date":"2025-03-14","current":11.28406,"twenty":-27.260831,"median":18.957783,"eighty":42.656314,"marketCap":293024460},{"date":"2025-03-21","current":11.000975,"twenty":-27.260831,"median":18.957783,"eighty":42.656314,"marketCap":285673323},{"date":"2025-03-28","current":10.639256,"twenty":-27.252591,"median":18.957783,"eighty":42.656314,"marketCap":276280205},{"date":"2025-04-04","current":9.884364,"twenty":-27.252591,"median":18.957783,"eighty":42.656314,"marketCap":256677175},{"date":"2025-04-11","current":10.01018,"twenty":-27.252591,"median":18.950036,"eighty":42.610155,"marketCap":259944346},{"date":"2025-04-17","current":9.632734,"twenty":-27.252591,"median":18.950036,"eighty":42.610155,"marketCap":250142831},{"date":"2025-04-25","current":9.837184,"twenty":-27.252591,"median":18.957783,"eighty":42.656314,"marketCap":255451985},{"date":"2025-05-02","current":10.474124,"twenty":-27.252591,"median":18.957783,"eighty":42.656314,"marketCap":271992042},{"date":"2025-05-09","current":13.267693,"twenty":-27.252591,"median":18.957783,"eighty":42.656314,"marketCap":301800207},{"date":"2025-05-16","current":14.023277,"twenty":-27.252591,"median":18.957783,"eighty":42.656314,"marketCap":318987473},{"date":"2025-05-23","current":13.65448,"twenty":-27.252591,"median":18.957783,"eighty":42.656314,"marketCap":310598450},{"date":"2025-05-30","current":14.329108,"twenty":-27.252591,"median":18.957783,"eighty":42.656314,"marketCap":325944223},{"date":"2025-06-06","current":13.510559,"twenty":-27.252591,"median":18.957783,"eighty":42.656314,"marketCap":307324685},{"date":"2025-06-13","current":13.267693,"twenty":-27.252591,"median":18.957783,"eighty":42.656314,"marketCap":301800207},{"date":"2025-06-20","current":14.320113,"twenty":-27.252591,"median":18.965531,"eighty":42.702472,"marketCap":325739613},{"date":"2025-06-27","current":14.221168,"twenty":-27.252591,"median":18.965531,"eighty":42.702472,"marketCap":323488900},{"date":"2025-07-03","current":15.111677,"twenty":-27.252591,"median":18.965531,"eighty":42.702472,"marketCap":343745320},{"date":"2025-07-11","current":14.841826,"twenty":-27.252591,"median":18.965531,"eighty":42.702472,"marketCap":337607011},{"date":"2025-07-18","current":14.248153,"twenty":-27.252591,"median":18.965531,"eighty":42.702472,"marketCap":324102731},{"date":"2025-07-25","current":14.176192,"twenty":-27.252591,"median":18.965531,"eighty":42.702472,"marketCap":322465848},{"date":"2025-08-01","current":15.084692,"twenty":-27.252591,"median":18.965531,"eighty":42.702472,"marketCap":343131489},{"date":"2025-08-08","current":16.192401,"twenty":-27.252591,"median":18.872562,"eighty":42.376542,"marketCap":289325828},{"date":"2025-08-15","current":16.453936,"twenty":-27.252591,"median":18.562668,"eighty":41.952395,"marketCap":293998927},{"date":"2025-08-22","current":15.839898,"twenty":-27.252591,"median":18.159806,"eighty":41.813387,"marketCap":283027302},{"date":"2025-08-29","current":16.579018,"twenty":-27.252591,"median":17.94288,"eighty":41.45619,"marketCap":296233888},{"date":"2025-09-05","current":16.249257,"twenty":-27.252591,"median":17.873153,"eighty":40.973023,"marketCap":290341719},{"date":"2025-09-12","current":16.533533,"twenty":-27.252591,"median":17.818922,"eighty":40.733,"marketCap":295421175},{"date":"2025-09-19","current":16.704099,"twenty":-27.252591,"median":17.48633,"eighty":40.60978,"marketCap":298468849},{"date":"2025-09-26","current":15.385056,"twenty":-27.252591,"median":17.431554,"eighty":40.309495,"marketCap":274900172},{"date":"2025-10-03","current":15.453282,"twenty":-27.252591,"median":17.323091,"eighty":40.156759,"marketCap":276119241},{"date":"2025-10-10","current":15.089408,"twenty":-27.252591,"median":17.193525,"eighty":39.88215,"marketCap":269617537},{"date":"2025-10-17","current":14.282062,"twenty":-27.252591,"median":17.044186,"eighty":39.679336,"marketCap":255191882},{"date":"2025-10-24","current":18.705407,"twenty":-27.252591,"median":16.997702,"eighty":39.478621,"marketCap":334228221},{"date":"2025-10-31","current":19.558238,"twenty":-27.252591,"median":16.997702,"eighty":39.258566,"marketCap":349466590},{"date":"2025-11-07","current":27.752974,"twenty":-27.252591,"median":17.12166,"eighty":39.258566,"marketCap":339113595},{"date":"2025-11-14","current":26.954806,"twenty":-27.252591,"median":17.235218,"eighty":39.258566,"marketCap":329360777},{"date":"2025-11-21","current":24.676701,"twenty":-27.252591,"median":17.38507,"eighty":39.258566,"marketCap":301524610},{"date":"2025-11-28","current":28.052288,"twenty":-27.252591,"median":17.472203,"eighty":39.258566,"marketCap":342770901},{"date":"2025-12-05","current":28.152059,"twenty":-27.252591,"median":17.586501,"eighty":39.258566,"marketCap":343990004},{"date":"2025-12-12","current":31.294846,"twenty":-27.252591,"median":17.834417,"eighty":39.258566,"marketCap":382391723},{"date":"2025-12-19","current":29.365939,"twenty":-27.1824,"median":17.896395,"eighty":39.258566,"marketCap":358822414},{"date":"2025-12-26","current":31.826958,"twenty":-27.17073,"median":17.973869,"eighty":39.258566,"marketCap":388893601},{"date":"2026-01-02","current":31.128561,"twenty":-27.092987,"median":18.159806,"eighty":39.258566,"marketCap":380359886},{"date":"2026-01-09","current":30.413535,"twenty":-27.022039,"median":18.562668,"eighty":39.258566,"marketCap":371622987},{"date":"2026-01-16","current":31.544274,"twenty":-26.605366,"median":18.779594,"eighty":39.258566,"marketCap":385439478},{"date":"2026-01-23","current":31.078675,"twenty":-26.402637,"median":18.872562,"eighty":39.258566,"marketCap":379750335},{"date":"2026-01-30","current":32.675012,"twenty":-25.680829,"median":19.043004,"eighty":39.258566,"marketCap":399255970},{"date":"2026-02-06","current":34.404376,"twenty":-25.237978,"median":19.330816,"eighty":39.258566,"marketCap":420387075},{"date":"2026-02-13","current":34.886603,"twenty":-24.869133,"median":20.263244,"eighty":39.258566,"marketCap":426279402},{"date":"2026-02-20","current":35.884313,"twenty":-24.310653,"median":24.792115,"eighty":39.258566,"marketCap":438470424},{"date":"2026-02-27","current":35.651514,"twenty":-23.85398,"median":25.281877,"eighty":39.258566,"marketCap":435625852},{"date":"2026-03-06","current":-47.225804,"twenty":-23.771894,"median":25.400096,"eighty":39.258566,"marketCap":383001274},{"date":"2026-03-13","current":-43.242302,"twenty":-23.771894,"median":25.400096,"eighty":39.258566,"marketCap":350695066},{"date":"2026-03-20","current":-43.317462,"twenty":-23.771894,"median":25.400096,"eighty":39.258566,"marketCap":351304617},{"date":"2026-03-27","current":-45.196473,"twenty":-23.771894,"median":25.400096,"eighty":39.258566,"marketCap":366543394},{"date":"2026-04-02","current":-44.895831,"twenty":-23.771894,"median":25.400096,"eighty":39.258566,"marketCap":364105190},{"date":"2026-04-10","current":-51.359628,"twenty":-23.771894,"median":25.400096,"eighty":39.258566,"marketCap":416526585},{"date":"2026-04-17","current":-49.530724,"twenty":-23.771894,"median":25.400096,"eighty":39.258566,"marketCap":401694174},{"date":"2026-04-24","current":-53.589388,"twenty":-23.771894,"median":25.400096,"eighty":39.258566,"marketCap":434609934},{"date":"2026-05-01","current":-57.146981,"twenty":-23.771894,"median":25.400096,"eighty":39.258566,"marketCap":463462019},{"date":"2026-05-08","current":-32.667232,"twenty":-23.771894,"median":25.400096,"eighty":39.258566,"marketCap":532639215},{"date":"2026-05-15","current":-31.913083,"twenty":-23.771894,"median":25.400096,"eighty":39.258566,"marketCap":520342812},{"date":"2026-05-22","current":-36.16537,"twenty":-23.771894,"median":25.400096,"eighty":39.258566,"marketCap":589676358},{"date":"2026-05-29","current":-41.868888,"twenty":-23.650815,"median":25.425429,"eighty":39.266287,"marketCap":682672216},{"date":"2026-06-05","current":-52.404261,"twenty":-23.771894,"median":25.400096,"eighty":39.258566,"marketCap":854451476},{"date":"2026-06-12","current":-56.509368,"twenty":-23.771894,"median":25.400096,"eighty":39.258566,"marketCap":921385251},{"date":"2026-06-18","current":-53.735214,"twenty":-23.771894,"median":25.400096,"eighty":39.258566,"marketCap":876152661},{"date":"2026-06-26","current":-56.589546,"twenty":-23.650815,"median":25.425429,"eighty":39.266287,"marketCap":922692551},{"date":"2026-07-02","current":-56.461262,"twenty":-23.650815,"median":25.425429,"eighty":39.266287,"marketCap":920600871},{"date":"2026-07-10","current":-53.751249,"twenty":-23.650815,"median":25.425429,"eighty":39.266287,"marketCap":876414121},{"date":"2026-07-17","current":-52.115621,"twenty":-23.650815,"median":25.425429,"eighty":39.266287,"marketCap":849745195},{"date":"2026-07-24","current":-48.764185,"twenty":-23.650815,"median":25.425429,"eighty":39.266287,"marketCap":795100042},{"date":"2026-07-31","current":-41.516105,"twenty":-23.503661,"median":25.450761,"eighty":39.274009,"marketCap":676920095},{"date":"2026-08-07","current":-36.593262,"twenty":-23.896158,"median":25.2481,"eighty":39.173037,"marketCap":633173218},{"date":"2026-08-14","current":-34.485797,"twenty":-24.310653,"median":24.676701,"eighty":38.951693,"marketCap":596707745},{"date":"2026-08-21","current":-33.380483,"twenty":-24.909274,"median":19.558238,"eighty":38.824852,"marketCap":577582497},{"date":"2026-08-28","current":-29.976116,"twenty":-25.421427,"median":19.213446,"eighty":38.642629,"marketCap":518676732},{"date":"2026-09-04","current":-28.635002,"twenty":-25.793902,"median":18.965531,"eighty":38.523444,"marketCap":495471431},{"date":"2026-09-11","current":-27.853913,"twenty":-26.432706,"median":18.836913,"eighty":38.321044,"marketCap":481956255}],"updateTime":1789442185327},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"MEC\",pageSize:20,pageCount:6,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"12084698","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459021011139-MEC","pdf_url":null,"pub_time":1614873600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","symbol":"MEC","title":"10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","titleType":"年度報告","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1766368/000156459021011139/0001564590-21-011139-index.htm","us_notice_code":"Form 10-K","us_title_en":"10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459021011139/mec-10k_20201231.htm","primary":true,"translateUrl":null,"linkName":"mec-10k_20201231.htm","type":"10-K","id":"NTFILE5tYrWtkS9jbo7X75","market":"us","size":3302365},{"description":"EX-21","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459021011139/mec-ex21_7.htm","primary":false,"translateUrl":null,"linkName":"mec-ex21_7.htm","type":"EX-21","id":"NTFILE2TEmj3sv2NH1sLhZ","market":"us","size":9308},{"description":"EX-23","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459021011139/mec-ex23_9.htm","primary":false,"translateUrl":null,"linkName":"mec-ex23_9.htm","type":"EX-23","id":"NTFILECXmAWuqSw67G3jL1","market":"us","size":2829},{"description":"EX-31.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459021011139/mec-ex311_8.htm","primary":false,"translateUrl":null,"linkName":"mec-ex311_8.htm","type":"EX-31.1","id":"NTFILE4AyaziMv9ZFzJ2Zu","market":"us","size":20043},{"description":"EX-31.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459021011139/mec-ex312_10.htm","primary":false,"translateUrl":null,"linkName":"mec-ex312_10.htm","type":"EX-31.2","id":"NTFILE2HhzuNqhXHH6gPzk","market":"us","size":20001},{"description":"EX-32","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459021011139/mec-ex32_6.htm","primary":false,"translateUrl":null,"linkName":"mec-ex32_6.htm","type":"EX-32","id":"NTFILE2Gb4whSejdbbw3MP","market":"us","size":14768},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459021011139/grcvngn2mp3k000001.jpg","primary":false,"translateUrl":null,"linkName":"grcvngn2mp3k000001.jpg","type":"GRAPHIC","id":"NTFILE9HCXRkgHfpYQfztB","market":"us","size":80491},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459021011139/grcvngn2mp3k000002.jpg","primary":false,"translateUrl":null,"linkName":"grcvngn2mp3k000002.jpg","type":"GRAPHIC","id":"NTFILE2xP1LkMco4PfGw42","market":"us","size":144793}],"type_name":"財務報告","type_name_en":"Financial Report","titleTypeEn":"Annual Report","us_type":"usFinancials","us_type_zh":"財務報告","earn_infos":[],"event_type":"important_notice","event_name":"年度報告","pubTime":"2021-03-05 00:00","pubTimestamp":1614873600,"title_zh":"10-K - Annual report [Section 13 and 15(d), not S-K Item 405","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"12047296","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312521065966-MEC","pdf_url":null,"pub_time":1614700800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K - Current report","symbol":"MEC","title":"8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1766368/000119312521065966/0001193125-21-065966-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000119312521065966/d336146dex99.htm","primary":true,"translateUrl":null,"linkName":"d336146dex99.htm","type":"EX-99","id":"NTFILE7QvLB9ajRHkWU89o","market":"us","size":137418},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000119312521065966/d336146d8k.htm","primary":false,"translateUrl":null,"linkName":"d336146d8k.htm","type":"8-K","id":"NTFILE3G9a9Vyb59TNnkjb","market":"us","size":19395},{"description":"GRAPHIC","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000119312521065966/g336146logo.jpg","primary":false,"translateUrl":null,"linkName":"g336146logo.jpg","type":"GRAPHIC","id":"NTFILE6cDBHewaekkg4bcY","market":"us","size":17109}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2021-03-03 00:00","pubTimestamp":1614700800,"title_zh":"8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"項目2.02：經營成果和財務狀況；項目9.01：財務報表和證物","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11819094","market":"us","labels":[],"media":"sec.gov","original_id":"AN7297121000128-MEC","pdf_url":null,"pub_time":1612972800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals","symbol":"MEC","title":"SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals","titleType":"超過5%披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1766368/000007297121000128/0000072971-21-000128-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/72971/000007297121000128/wf_mayvilleen-578605107.htm","primary":true,"translateUrl":null,"linkName":"wf_mayvilleen-578605107.htm","type":"SC 13G/A","id":"NTFILE8hW4qPceAWCABJmt","market":"us","size":36029}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"超過5%披露","pubTime":"2021-02-11 00:00","pubTimestamp":1612972800,"title_zh":"SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11819095","market":"us","labels":[],"media":"sec.gov","original_id":"AN113777421000014-MEC","pdf_url":null,"pub_time":1612800000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G - Statement of acquisition of beneficial ownership by individuals","symbol":"MEC","title":"SC 13G - Statement of acquisition of beneficial ownership by individuals","titleType":"超過5%披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1766368/000113777421000014/0001137774-21-000014-index.htm","us_notice_code":"Form SC 13G","us_title_en":"SC 13G - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1137774/000113777421000014/mayv.htm","primary":true,"translateUrl":null,"linkName":"mayv.htm","type":"SC 13G","id":"NTFILE4wehAZq3kCg5GAz8","market":"us","size":8192}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"超過5%披露","pubTime":"2021-02-09 00:00","pubTimestamp":1612800000,"title_zh":"SC 13G - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11719879","market":"us","labels":[],"media":"sec.gov","original_id":"AN90221921000278-MEC","pdf_url":null,"pub_time":1612368000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G - Statement of acquisition of beneficial ownership by individuals","symbol":"MEC","title":"SC 13G - Statement of acquisition of beneficial ownership by individuals","titleType":"超過5%披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1766368/000090221921000278/0000902219-21-000278-index.htm","us_notice_code":"Form SC 13G","us_title_en":"SC 13G - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"SEC SCHEDULE 13G","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/902219/000090221921000278/SEC13G_Filing.htm","primary":true,"translateUrl":null,"linkName":"SEC13G_Filing.htm","type":"SC 13G","id":"NTFILE9jT5uJQRNjXs36ub","market":"us","size":35383}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"超過5%披露","pubTime":"2021-02-04 00:00","pubTimestamp":1612368000,"title_zh":"SC 13G - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11056442","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520310230-MEC","pdf_url":null,"pub_time":1607011200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K - Current report","symbol":"MEC","title":"8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520310230/0001193125-20-310230-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-3.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520310230/d50641dex31.htm","primary":true,"translateUrl":null,"linkName":"d50641dex31.htm","type":"EX-3.1","id":"NTFILE4NaPxLSuHrMoMkdS","market":"us","size":1678},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520310230/d50641d8k.htm","primary":false,"translateUrl":null,"linkName":"d50641d8k.htm","type":"8-K","id":"NTFILEAnuSjXqNHp7c9WNy","market":"us","size":23299},{"description":"EX-3.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520310230/d50641dex32.htm","primary":false,"translateUrl":null,"linkName":"d50641dex32.htm","type":"EX-3.2","id":"NTFILECpJRo5CUY3vTufV5","market":"us","size":131601},{"description":"EX-99","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520310230/d50641dex99.htm","primary":false,"translateUrl":null,"linkName":"d50641dex99.htm","type":"EX-99","id":"NTFILE9rrAgB9oGm5evqSj","market":"us","size":6788},{"description":"GRAPHIC","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520310230/g50641g89p68.jpg","primary":false,"translateUrl":null,"linkName":"g50641g89p68.jpg","type":"GRAPHIC","id":"NTFILE3iiM6CoMmWKudNV9","market":"us","size":13017}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2020-12-04 00:00","pubTimestamp":1607011200,"title_zh":"8-K - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"第5.02項:董事或某些高級職員離職；選舉董事；某些軍官的任命:某些軍官的補償安排；第5.03項:公司章程或細則的修改；會計年度的變更；項目9.01:財務報表和報表","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10709871","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459020050034-MEC","pdf_url":null,"pub_time":1604332800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"MEC","title":"10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"季度報告","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020050034/0001564590-20-050034-index.htm","us_notice_code":"Form 10-Q","us_title_en":"10-Q - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":true,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020050034/mec-10q_20200930.htm","primary":true,"translateUrl":null,"linkName":"mec-10q_20200930.htm","type":"10-Q","id":"NTFILE6zh1UfU91qFdPhCy","market":"us","size":2120548},{"description":"EX-10.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020050034/mec-ex101_72.htm","primary":false,"translateUrl":null,"linkName":"mec-ex101_72.htm","type":"EX-10.1","id":"NTFILE9UiZf5iY5GzrZn86","market":"us","size":173119},{"description":"EX-10.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020050034/mec-ex102_71.htm","primary":false,"translateUrl":null,"linkName":"mec-ex102_71.htm","type":"EX-10.2","id":"NTFILEA2vzLtTD7RyiYDkr","market":"us","size":173028},{"description":"EX-31.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020050034/mec-ex311_6.htm","primary":false,"translateUrl":null,"linkName":"mec-ex311_6.htm","type":"EX-31.1","id":"NTFILEH4j87PhMcUp2PZ1K","market":"us","size":17645},{"description":"EX-31.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020050034/mec-ex312_8.htm","primary":false,"translateUrl":null,"linkName":"mec-ex312_8.htm","type":"EX-31.2","id":"NTFILEEFJYrVPKY29btcLy","market":"us","size":17479},{"description":"EX-32","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020050034/mec-ex32_7.htm","primary":false,"translateUrl":null,"linkName":"mec-ex32_7.htm","type":"EX-32","id":"NTFILE3PFsnLX6eH2QzvN2","market":"us","size":9241}],"type_name":"財務報告","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"usFinancials","us_type_zh":"財務報告","earn_infos":[{"id":46650,"name":"Condensed Consolidated Balance Sheets","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020050034/R2.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":46651,"name":"Condensed Consolidated Balance Sheets (Parenthetical)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020050034/R3.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":46652,"name":"Condensed Consolidated Statements of Comprehensive Income (Loss)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020050034/R4.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":46653,"name":"Condensed Consolidated Statements of Comprehensive Income (Loss) (Parenthetical)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020050034/R5.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":46654,"name":"Condensed Consolidated Statements of Cash Flows","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020050034/R6.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":46655,"name":"Condensed Consolidated Statements of Shareholders' Equity","name_zh":"簡明合併股東權益報表","url":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020050034/R7.htm","cdn_url":"https://static.tigerbbs.com/e5b7ae0941f70bea6ffaa734eac8554b","translation_url":"https://static.tigerbbs.com/11cd4f994cfd6dea1ebed85983e8363e","translate_status":1}],"event_type":"important_notice","event_name":"季度報告","pubTime":"2020-11-03 00:00","pubTimestamp":1604332800,"title_zh":"10-Q - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10709870","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520284147-MEC","pdf_url":null,"pub_time":1604332800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K - Current report","symbol":"MEC","title":"8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520284147/0001193125-20-284147-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520284147/d55536dex99.htm","primary":true,"translateUrl":null,"linkName":"d55536dex99.htm","type":"EX-99","id":"NTFILE4kczfoUkzZHrc8Nj","market":"us","size":134942},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520284147/d55536d8k.htm","primary":false,"translateUrl":null,"linkName":"d55536d8k.htm","type":"8-K","id":"NTFILE5KztuNTbRfromdvo","market":"us","size":18817},{"description":"GRAPHIC","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520284147/g55536snap-mec.jpg","primary":false,"translateUrl":null,"linkName":"g55536snap-mec.jpg","type":"GRAPHIC","id":"NTFILE63WdAR9wNoAfU98k","market":"us","size":14268}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2020-11-03 00:00","pubTimestamp":1604332800,"title_zh":"8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"第2.02項:經營成果和財務狀況；項目9.01:財務報表和報表","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10709872","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459020041559-MEC","pdf_url":null,"pub_time":1598457600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"11-K/A [Amend] - Annual report of employee stock purchase, savings and similar plans","symbol":"MEC","title":"11-K/A [Amend] - Annual report of employee stock purchase, savings and similar plans","titleType":"員工持股計劃","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020041559/0001564590-20-041559-index.htm","us_notice_code":"Form 11-K/A","us_title_en":"11-K/A [Amend] - Annual report of employee stock purchase, savings and similar plans","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"11-K/A","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020041559/mec-11ka_20200814.htm","primary":true,"translateUrl":null,"linkName":"mec-11ka_20200814.htm","type":"11-K/A","id":"NTFILEDEA5cLxKiANDZvCr","market":"us","size":257671},{"description":"EX-23.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020041559/mec-ex231_6.htm","primary":false,"translateUrl":null,"linkName":"mec-ex231_6.htm","type":"EX-23.1","id":"NTFILEDdbNfNW2xnGNa6P9","market":"us","size":2376}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Employee Stock Ownership","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"員工持股計劃","pubTime":"2020-08-27 00:00","pubTimestamp":1598457600,"title_zh":"11-K/A [Amend] - Annual report of employee stock purchase, savings and similar plans","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10227691","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459020036903-MEC","pdf_url":null,"pub_time":1596556800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"MEC","title":"10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"季度報告","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020036903/0001564590-20-036903-index.htm","us_notice_code":"Form 10-Q","us_title_en":"10-Q - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":true,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020036903/mec-10q_20200630.htm","primary":true,"translateUrl":null,"linkName":"mec-10q_20200630.htm","type":"10-Q","id":"NTFILEFCLkiJ3SPX6VZjBn","market":"us","size":1981238},{"description":"EX-31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020036903/mec-ex311_6.htm","primary":false,"translateUrl":null,"linkName":"mec-ex311_6.htm","type":"EX-31.1","id":"NTFILED7K5VdKLVe6e64g3","market":"us","size":17643},{"description":"EX-31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020036903/mec-ex312_7.htm","primary":false,"translateUrl":null,"linkName":"mec-ex312_7.htm","type":"EX-31.2","id":"NTFILECucsYjtbcdVVPuPX","market":"us","size":17477},{"description":"EX-32","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020036903/mec-ex32_8.htm","primary":false,"translateUrl":null,"linkName":"mec-ex32_8.htm","type":"EX-32","id":"NTFILE2MrzXawb1MzUHR4K","market":"us","size":9234},{"description":"XBRL INSTANCE DOCUMENT","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020036903/mec-20200630.xml","primary":false,"translateUrl":null,"linkName":"mec-20200630.xml","type":"EX-101.INS","id":"NTFILECnDa1yjE1Av9Sy6X","market":"us","size":1448258},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020036903/mec-20200630.xsd","primary":false,"translateUrl":null,"linkName":"mec-20200630.xsd","type":"EX-101.SCH","id":"NTFILE49LHZrPuL8gwaV86","market":"us","size":58518},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020036903/mec-20200630_cal.xml","primary":false,"translateUrl":null,"linkName":"mec-20200630_cal.xml","type":"EX-101.CAL","id":"NTFILE283ATrGwAAej8mZ1","market":"us","size":55617},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020036903/mec-20200630_def.xml","primary":false,"translateUrl":null,"linkName":"mec-20200630_def.xml","type":"EX-101.DEF","id":"NTFILE3zoUaPH7cU4rUfqY","market":"us","size":156166},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020036903/mec-20200630_lab.xml","primary":false,"translateUrl":null,"linkName":"mec-20200630_lab.xml","type":"EX-101.LAB","id":"NTFILE7jhaFcEAynqxMpUZ","market":"us","size":422338},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020036903/mec-20200630_pre.xml","primary":false,"translateUrl":null,"linkName":"mec-20200630_pre.xml","type":"EX-101.PRE","id":"NTFILE6bfLvQnZtG3g9yqR","market":"us","size":320563}],"type_name":"財務報告","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"usFinancials","us_type_zh":"財務報告","earn_infos":[{"id":21253,"name":"Condensed Consolidated Balance Sheets","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020036903/R2.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":21254,"name":"Condensed Consolidated Balance Sheets (Parenthetical)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020036903/R3.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":21255,"name":"Condensed Consolidated Statements of Comprehensive Loss","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020036903/R4.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":21256,"name":"Condensed Consolidated Statements of Comprehensive Loss (Parenthetical)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020036903/R5.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":21257,"name":"Condensed Consolidated Statements of Cash Flows","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020036903/R6.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":21258,"name":"Condensed Consolidated Statements of Shareholders' Equity","name_zh":"簡明合併股東權益報表","url":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020036903/R7.htm","cdn_url":"https://static.tigerbbs.com/f32d27745f4605c7f594bf1fd068aa7c","translation_url":"https://static.tigerbbs.com/51e87d68ca883255bf2ad8b169a427ff","translate_status":1}],"event_type":"important_notice","event_name":"季度報告","pubTime":"2020-08-05 00:00","pubTimestamp":1596556800,"title_zh":"10-Q - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10223941","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520209491-MEC","pdf_url":null,"pub_time":1596556800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K - Current report","symbol":"MEC","title":"8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520209491/0001193125-20-209491-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520209491/d935262dex99.htm","primary":true,"translateUrl":null,"linkName":"d935262dex99.htm","type":"EX-99","id":"NTFILEDr6JavcyedNadDHY","market":"us","size":134991},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520209491/d935262d8k.htm","primary":false,"translateUrl":null,"linkName":"d935262d8k.htm","type":"8-K","id":"NTFILEF4ZP3BB1ySiiZmWZ","market":"us","size":20520},{"description":"GRAPHIC","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520209491/g935262g78y50.jpg","primary":false,"translateUrl":null,"linkName":"g935262g78y50.jpg","type":"GRAPHIC","id":"NTFILECSn589e2WfmUMfet","market":"us","size":3263}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2020-08-05 00:00","pubTimestamp":1596556800,"title_zh":"8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"第2.02項:經營成果和財務狀況； 項目9.01:財務報表和報表","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10217303","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459020035562-MEC","pdf_url":null,"pub_time":1596384000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"11-K - Annual report of employee stock purchase, savings and similar plans","symbol":"MEC","title":"11-K - Annual report of employee stock purchase, savings and similar plans","titleType":"員工持股計劃","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020035562/0001564590-20-035562-index.htm","us_notice_code":"Form 11-K","us_title_en":"11-K - Annual report of employee stock purchase, savings and similar plans","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"11-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020035562/mec-11k_20191231.htm","primary":true,"translateUrl":null,"linkName":"mec-11k_20191231.htm","type":"11-K","id":"NTFILE9pmLdwUYxPgjqDHL","market":"us","size":253360},{"description":"EX-23.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020035562/mec-ex231_6.htm","primary":false,"translateUrl":null,"linkName":"mec-ex231_6.htm","type":"EX-23.1","id":"NTFILE65bdTrnPkNYFBqZj","market":"us","size":2373}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Employee Stock Ownership","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"員工持股計劃","pubTime":"2020-08-03 00:00","pubTimestamp":1596384000,"title_zh":"11-K - Annual report of employee stock purchase, savings and similar plans","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10139064","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520187944-MEC","pdf_url":null,"pub_time":1593964800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K - Current report","symbol":"MEC","title":"8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520187944/0001193125-20-187944-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-10","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520187944/d928545dex10.htm","primary":true,"translateUrl":null,"linkName":"d928545dex10.htm","type":"EX-10","id":"NTFILECp9UZZ6ppggvSdww","market":"us","size":115262},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520187944/d928545d8k.htm","primary":false,"translateUrl":null,"linkName":"d928545d8k.htm","type":"8-K","id":"NTFILEHWpo39WC45LBNLmR","market":"us","size":23327}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2020-07-06 00:00","pubTimestamp":1593964800,"title_zh":"8-K - Current report","summary_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"第1.01項:訂立實質性最終協議； 第2.03項:直接金融債務或登記人資產負債表外安排下債務的設定； 項目9.01:財務報表和報表","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10099175","market":"us","labels":[],"media":"sec.gov","original_id":"AN89706920000296-MEC","pdf_url":null,"pub_time":1593014400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K - Current report","symbol":"MEC","title":"8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1766368/000089706920000296/0000897069-20-000296-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 8.01: Other Events","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000089706920000296/cmw227.htm","primary":true,"translateUrl":null,"linkName":"cmw227.htm","type":"8-K","id":"NTFILE6LBs4p2qQM1bpcEn","market":"us","size":15924}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2020-06-25 00:00","pubTimestamp":1593014400,"title_zh":"8-K - Current report","summary_en":"Item 8.01: Other Events","summary_zh":"項目8.01:其他活動","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9720776","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520143768-MEC","pdf_url":null,"pub_time":1589472000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K - Current report","symbol":"MEC","title":"8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520143768/0001193125-20-143768-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year\nItem 5.07: Submission of Matters to a Vote of Security Holders\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-3.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520143768/d930945dex31.htm","primary":true,"translateUrl":null,"linkName":"d930945dex31.htm","type":"EX-3.1","id":"NTFILECaawFzt51Q4hzGxg","market":"us","size":1675},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520143768/d930945d8k.htm","primary":false,"translateUrl":null,"linkName":"d930945d8k.htm","type":"8-K","id":"NTFILEHiahgjUSEdFtu7sn","market":"us","size":31612},{"description":"EX-3.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520143768/d930945dex32.htm","primary":false,"translateUrl":null,"linkName":"d930945dex32.htm","type":"EX-3.2","id":"NTFILEAHWBnBVvWSWTqGvG","market":"us","size":131931}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2020-05-15 00:00","pubTimestamp":1589472000,"title_zh":"8-K - Current report","summary_en":"Item 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year\nItem 5.07: Submission of Matters to a Vote of Security Holders\nItem 9.01: Financial Statements and Exhibits","summary_zh":"第5.03項:公司章程或細則的修改； 項目5.07:將事項提交證券持有人表決項目9.01:財務報表和證物","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9684363","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520133895-MEC","pdf_url":null,"pub_time":1588694400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K - Current report","symbol":"MEC","title":"8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520133895/0001193125-20-133895-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520133895/d917633dex99.htm","primary":true,"translateUrl":null,"linkName":"d917633dex99.htm","type":"EX-99","id":"NTFILEFCosgwqzgJbRNTo9","market":"us","size":111435},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520133895/d917633d8k.htm","primary":false,"translateUrl":null,"linkName":"d917633d8k.htm","type":"8-K","id":"NTFILECaNzftUJneBJ8hkt","market":"us","size":19318},{"description":"GRAPHIC","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520133895/g917633g83y48.jpg","primary":false,"translateUrl":null,"linkName":"g917633g83y48.jpg","type":"GRAPHIC","id":"NTFILEXoUE86zy2HPn3LZH","market":"us","size":7035}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2020-05-06 00:00","pubTimestamp":1588694400,"title_zh":"8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition\nItem 9.01: Financial Statements and Exhibits","summary_zh":"項目2.02:業務結果和財務狀況項目9.01:財務報表和報表","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9683890","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459020021596-MEC","pdf_url":null,"pub_time":1588694400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Quarterly report [Sections 13 or 15(d)]","symbol":"MEC","title":"Quarterly report [Sections 13 or 15(d)]","titleType":"季度報告","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020021596/0001564590-20-021596-index.htm","us_notice_code":"Form 10-Q","us_title_en":null,"is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020021596/mec-10q_20200331.htm","primary":true,"translateUrl":null,"linkName":"mec-10q_20200331.htm","type":"10-Q","id":"NTFILE5KzAp8tt9rgKa8zp","market":"us","size":1446773},{"description":"EX-31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020021596/mec-ex311_6.htm","primary":false,"translateUrl":null,"linkName":"mec-ex311_6.htm","type":"EX-31.1","id":"NTFILEChuZ5KDnUNRiQaiK","market":"us","size":17721},{"description":"EX-31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020021596/mec-ex312_7.htm","primary":false,"translateUrl":null,"linkName":"mec-ex312_7.htm","type":"EX-31.2","id":"NTFILEHtoqcazwX3sgzncx","market":"us","size":17647},{"description":"EX-32","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020021596/mec-ex32_8.htm","primary":false,"translateUrl":null,"linkName":"mec-ex32_8.htm","type":"EX-32","id":"NTFILE6nL23cxaJvBR4q5Q","market":"us","size":9313},{"description":"XBRL INSTANCE DOCUMENT","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020021596/mec-20200331.xml","primary":false,"translateUrl":null,"linkName":"mec-20200331.xml","type":"EX-101.INS","id":"NTFILE63bGUSLfrDdoaH2C","market":"us","size":1252626},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020021596/mec-20200331.xsd","primary":false,"translateUrl":null,"linkName":"mec-20200331.xsd","type":"EX-101.SCH","id":"NTFILEBkHVdMJbBDwxTEcH","market":"us","size":58195},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020021596/mec-20200331_cal.xml","primary":false,"translateUrl":null,"linkName":"mec-20200331_cal.xml","type":"EX-101.CAL","id":"NTFILEABQ1K42vixX238e1","market":"us","size":52102},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020021596/mec-20200331_def.xml","primary":false,"translateUrl":null,"linkName":"mec-20200331_def.xml","type":"EX-101.DEF","id":"NTFILEDsmAH4tzPDLSZjtA","market":"us","size":161075},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020021596/mec-20200331_lab.xml","primary":false,"translateUrl":null,"linkName":"mec-20200331_lab.xml","type":"EX-101.LAB","id":"NTFILEC5QusJVLkNjfM9j8","market":"us","size":440396},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020021596/mec-20200331_pre.xml","primary":false,"translateUrl":null,"linkName":"mec-20200331_pre.xml","type":"EX-101.PRE","id":"NTFILEFKi3MKpkopJ1GW41","market":"us","size":330316}],"type_name":"財務報告","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"usFinancials","us_type_zh":"財務報告","earn_infos":[],"event_type":"important_notice","event_name":"季度報告","pubTime":"2020-05-06 00:00","pubTimestamp":1588694400,"title_zh":"Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9409727","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520096127-MEC","pdf_url":null,"pub_time":1585756800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K - Current report","symbol":"MEC","title":"8-K - Current report","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520096127/0001193125-20-096127-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-3.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520096127/d905293dex31.htm","primary":true,"translateUrl":null,"linkName":"d905293dex31.htm","type":"EX-3.1","id":"NTFILEFxS7KnwcZ9EB3PM3","market":"us","size":135618},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520096127/d905293d8k.htm","primary":false,"translateUrl":null,"linkName":"d905293d8k.htm","type":"8-K","id":"NTFILEEf286M8ACYbizvZn","market":"us","size":20383},{"description":"EX-3.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520096127/d905293dex32.htm","primary":false,"translateUrl":null,"linkName":"d905293dex32.htm","type":"EX-3.2","id":"NTFILE6HKt46zVtAHxYjW4","market":"us","size":130835}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2020-04-02 00:00","pubTimestamp":1585756800,"title_zh":"8-K - Current report","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9184372","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520072120-MEC","pdf_url":null,"pub_time":1584028800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Current report, items 5.02 and 9.01","symbol":"MEC","title":"Current report, items 5.02 and 9.01","titleType":"重要事件披露","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520072120/0001193125-20-072120-index.htm","us_notice_code":"Form 8-K","us_title_en":null,"is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520072120/d879768dex99.htm","primary":true,"translateUrl":null,"linkName":"d879768dex99.htm","type":"EX-99","id":"NTFILE73AmRxhNX28ewfS4","market":"us","size":6312},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520072120/d879768d8k.htm","primary":false,"translateUrl":null,"linkName":"d879768d8k.htm","type":"8-K","id":"NTFILEBmnds1KxBTxPBroK","market":"us","size":20857},{"description":"GRAPHIC","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000119312520072120/g879768g0311100717084.jpg","primary":false,"translateUrl":null,"linkName":"g879768g0311100717084.jpg","type":"GRAPHIC","id":"NTFILEALRdWaSKvfBxXmqx","market":"us","size":3789}],"type_name":"交易披露","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"usAnnouncement","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"重要事件披露","pubTime":"2020-03-13 00:00","pubTimestamp":1584028800,"title_zh":"Current report, items 5.02 and 9.01","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9150246","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459020008206-MEC","pdf_url":null,"pub_time":1583078400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Annual report [Section 13 and 15(d), not S-K Item 405]","symbol":"MEC","title":"Annual report [Section 13 and 15(d), not S-K Item 405]","titleType":"年度報告","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020008206/0001564590-20-008206-index.htm","us_notice_code":"Form 10-K","us_title_en":null,"is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020008206/mec-10k_20191231.htm","primary":true,"translateUrl":null,"linkName":"mec-10k_20191231.htm","type":"10-K","id":"NTFILE28MukZyG59bZd37e","market":"us","size":3383311},{"description":"EX-4","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020008206/mec-ex4_131.htm","primary":false,"translateUrl":null,"linkName":"mec-ex4_131.htm","type":"EX-4","id":"NTFILEH6JCbtXHF23Qvdzs","market":"us","size":54051},{"description":"EX-21","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020008206/mec-ex21_129.htm","primary":false,"translateUrl":null,"linkName":"mec-ex21_129.htm","type":"EX-21","id":"NTFILEDQtqLXWsHKgYEVLe","market":"us","size":9300},{"description":"EX-23","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020008206/mec-ex23_167.htm","primary":false,"translateUrl":null,"linkName":"mec-ex23_167.htm","type":"EX-23","id":"NTFILE5xyxxKWFeNwgvir4","market":"us","size":2863},{"description":"EX-31.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020008206/mec-ex311_9.htm","primary":false,"translateUrl":null,"linkName":"mec-ex311_9.htm","type":"EX-31.1","id":"NTFILEG59h8Z8TBGX9uhM1","market":"us","size":18688},{"description":"EX-31.2","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020008206/mec-ex312_8.htm","primary":false,"translateUrl":null,"linkName":"mec-ex312_8.htm","type":"EX-31.2","id":"NTFILE7Tx7Ri7rwb2PpCFG","market":"us","size":18644},{"description":"EX-32","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020008206/mec-ex32_6.htm","primary":false,"translateUrl":null,"linkName":"mec-ex32_6.htm","type":"EX-32","id":"NTFILE8QPQhTuw4P11nw6d","market":"us","size":14768},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020008206/gwy50svolp3n000002.jpg","primary":false,"translateUrl":null,"linkName":"gwy50svolp3n000002.jpg","type":"GRAPHIC","id":"NTFILEFxFxbkiNqPtAH2Gx","market":"us","size":23659},{"description":"GRAPHIC","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020008206/gwy50svolp3n000001.jpg","primary":false,"translateUrl":null,"linkName":"gwy50svolp3n000001.jpg","type":"GRAPHIC","id":"NTFILEHqs5YxRY9TPai2in","market":"us","size":13431},{"description":"XBRL INSTANCE DOCUMENT","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020008206/mec-20191231.xml","primary":false,"translateUrl":null,"linkName":"mec-20191231.xml","type":"EX-101.INS","id":"NTFILEiih4gNjuETLEPET4","market":"us","size":3088075},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020008206/mec-20191231.xsd","primary":false,"translateUrl":null,"linkName":"mec-20191231.xsd","type":"EX-101.SCH","id":"NTFILEE4e1umaKahrp8E9d","market":"us","size":75204},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020008206/mec-20191231_cal.xml","primary":false,"translateUrl":null,"linkName":"mec-20191231_cal.xml","type":"EX-101.CAL","id":"NTFILEDRbfJ4qbQnBUthcK","market":"us","size":85602},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020008206/mec-20191231_def.xml","primary":false,"translateUrl":null,"linkName":"mec-20191231_def.xml","type":"EX-101.DEF","id":"NTFILEJ2bvG1AKESWFLQGg","market":"us","size":251868},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020008206/mec-20191231_lab.xml","primary":false,"translateUrl":null,"linkName":"mec-20191231_lab.xml","type":"EX-101.LAB","id":"NTFILE6wUECNfjLxuZ4JET","market":"us","size":595962},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1766368/000156459020008206/mec-20191231_pre.xml","primary":false,"translateUrl":null,"linkName":"mec-20191231_pre.xml","type":"EX-101.PRE","id":"NTFILEE6Wpq7KfBsZX6vV4","market":"us","size":487143}],"type_name":"財務報告","type_name_en":"Financial Report","titleTypeEn":"Annual Report","us_type":"usFinancials","us_type_zh":"財務報告","earn_infos":[],"event_type":"important_notice","event_name":"年度報告","pubTime":"2020-03-02 00:00","pubTimestamp":1583078400,"title_zh":"Annual report [Section 13 and 15(d), not S-K Item 405","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0}],"pageSize":20,"totalPage":9,"pageCount":6,"totalSize":172,"code":"91000000","status":"200"}]}}