{"cik":"0001765048","entityType":"operating","sic":"7370","sicDescription":"Services-Computer Programming, Data Processing, Etc.","ownerOrg":"06 Technology","insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"GUOCHUN INTERNATIONAL INC.","tickers":["GCGJ"],"exchanges":["OTC"],"ein":"320575017","lei":null,"description":"","website":"","investorWebsite":"","category":"Non-accelerated filer<br>Smaller reporting company","fiscalYearEnd":"1231","stateOfIncorporation":"NV","stateOfIncorporationDescription":"NV","addresses":{"mailing":{"street1":"66 WEST FLAGLER STREET","street2":"SUITE 900, #3040","city":"MIAMI","stateOrCountry":"FL","zipCode":"33130","stateOrCountryDescription":"FL","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"66 WEST FLAGLER STREET","street2":"SUITE 900, #3040","city":"MIAMI","stateOrCountry":"FL","zipCode":"33130","stateOrCountryDescription":"FL","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"12512629446","flags":"","formerNames":[{"name":"Charmt, Inc.","from":"2019-02-25T00:00:00.000Z","to":"2023-05-10T00:00:00.000Z"}],"filings":{"recent":{"accessionNumber":["0001765048-26-000019","0001765048-26-000012","0001765048-26-000009","0001765048-26-000006","0001765048-26-000004","0001765048-26-000002","0001765048-25-000030","0001765048-25-000024","0001765048-25-000022","0001765048-25-000016","0001765048-25-000011","0001765048-25-000007","0001765048-25-000005","0001765048-24-000020","0001765048-24-000012","0001765048-24-000010","0001765048-24-000006","0001765048-24-000003","0001765048-23-000015","0001765048-23-000013","0001765048-23-000011","0001765048-23-000006","0001765048-23-000003","0001765048-22-000017","0001765048-22-000013","0001765048-22-000010","0001765048-22-000007","0001765048-22-000004","0001765048-21-000011","0001765048-21-000009","0001765048-21-000006","0001765048-21-000003","0001765048-20-000011","0001765048-20-000009","0001765048-20-000005","0001765048-20-000003","0001765048-19-000016","0001765048-19-000013","0001765048-19-000011","0001765048-19-000008","9999999995-19-000690","0001765048-19-000006","0001765048-19-000004","0000000000-19-005571","0001765048-19-000002"],"filingDate":["2026-08-07","2026-05-11","2026-04-24","2026-04-08","2026-03-31","2026-03-26","2025-11-03","2025-08-04","2025-08-04","2025-07-22","2025-05-30","2025-05-22","2025-05-13","2024-05-28","2024-05-16","2024-04-16","2024-04-01","2024-02-08","2023-11-17","2023-11-14","2023-08-10","2023-05-10","2023-03-27","2022-11-14","2022-08-12","2022-06-27","2022-05-03","2022-02-11","2021-10-25","2021-07-21","2021-05-07","2021-02-16","2020-10-28","2020-07-22","2020-05-06","2020-03-12","2019-11-13","2019-10-23","2019-08-08","2019-05-24","2019-04-12","2019-04-10","2019-04-01","2019-03-22","2019-02-25"],"reportDate":["2026-06-30","2026-03-31","2025-12-31","2025-09-30","2025-12-31","2026-03-26","2025-09-30","2025-06-30","2025-03-31","2024-12-31","2024-09-30","2025-05-22","2024-06-30","2024-03-31","2024-03-31","2023-12-31","2023-12-31","2024-02-08","2023-09-30","2023-09-30","2023-06-30","2023-03-31","2022-12-31","2022-09-30","2022-06-30","2022-06-27","2022-03-31","2021-12-31","2021-09-30","2021-06-30","2021-03-31","2020-12-31","2020-09-30","2020-06-30","2020-03-31","2019-12-31","2019-09-30","","2019-06-30","2019-03-31","","","","",""],"acceptanceDateTime":["2026-08-07T18:37:54.000Z","2026-05-11T17:22:16.000Z","2026-04-24T17:44:33.000Z","2026-04-08T20:19:14.000Z","2026-03-31T13:07:26.000Z","2026-03-26T13:53:26.000Z","2025-11-03T11:48:55.000Z","2025-08-04T16:48:40.000Z","2025-08-04T15:40:57.000Z","2025-07-22T15:55:53.000Z","2025-05-30T20:22:19.000Z","2025-05-22T12:39:37.000Z","2025-05-13T16:45:19.000Z","2024-05-28T13:58:19.000Z","2024-05-16T16:33:13.000Z","2024-04-16T16:19:06.000Z","2024-04-01T13:17:22.000Z","2024-02-08T18:24:38.000Z","2023-11-17T14:57:39.000Z","2023-11-14T18:57:41.000Z","2023-08-10T18:19:17.000Z","2023-05-10T15:58:40.000Z","2023-03-27T17:20:54.000Z","2022-11-14T17:13:39.000Z","2022-08-12T13:54:41.000Z","2022-06-27T18:00:06.000Z","2022-05-03T17:23:55.000Z","2022-02-11T13:02:10.000Z","2021-10-25T17:23:24.000Z","2021-07-21T14:48:40.000Z","2021-05-07T13:52:20.000Z","2021-02-16T14:13:36.000Z","2020-10-28T15:18:15.000Z","2020-07-22T17:44:23.000Z","2020-05-06T12:20:32.000Z","2020-03-12T13:02:45.000Z","2019-11-13T18:15:57.000Z","2019-10-23T13:24:23.000Z","2019-08-08T13:44:50.000Z","2019-05-24T16:53:39.000Z","2019-04-15T04:16:33.000Z","2019-04-10T17:47:00.000Z","2019-04-01T13:16:28.000Z","2019-03-22T19:56:06.000Z","2019-02-25T17:42:15.000Z"],"act":["34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","33","34","34","33","","33","","33"],"form":["10-Q","10-Q","10-K","10-Q/A","NT 10-K","8-K","10-Q","10-Q","10-Q","10-K","10-Q","8-K","10-Q","10-Q","NT 10-Q","10-K","NT 10-K","8-K","10-Q","NT 10-Q","10-Q","10-Q","10-K","10-Q","10-Q","8-K","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","424B1","10-Q","10-Q","EFFECT","CORRESP","S-1/A","UPLOAD","S-1"],"fileNumber":["333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","333-229830","","333-229830","","333-229830"],"filmNumber":["261253424","26962060","26892241","26848344","26817648","26794748","251442048","251178960","251178775","251139354","251011308","25974832","25938665","24987192","24954299","24846723","24805914","24608116","231416808","231404184","231158561","23905159","23763517","221382676","221158294","221043823","22885746","22616810","211343293","211103093","21900761","21633190","201266926","201041121","20851228","20707355","191212894","191162836","191007799","19853079","19747462","","19719025","","19628694"],"items":["","","","","","4.02","","","","","","4.01,9.01","","","","","","4.01,9.01","","","","","","","","5.01,5.02,9.01","","","","","","","","","","","","","","","S-1,,2019-04-12 10:00:00","","","",""],"core_type":["XBRL","XBRL","XBRL","XBRL","NT 10-K","XBRL","XBRL","XBRL","XBRL","XBRL","XBRL","XBRL","XBRL","XBRL","NT 10-Q","XBRL","NT 10-K","XBRL","XBRL","NT 10-Q","XBRL","XBRL","XBRL","XBRL","XBRL","XBRL","XBRL","XBRL","XBRL","XBRL","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","424B1","10-Q","10-Q","EFFECT","CORRESP","S-1/A","LETTER","S-1"],"size":[1335300,1237808,1876990,1742008,19875,178106,1366727,1234054,1152616,1753430,1243318,187521,1233148,1127580,21009,2035013,20564,196966,1325135,20400,1207655,1104370,1688033,1210102,1183105,267461,1250869,1242179,1259566,1263932,974029,1147912,1091853,1086239,1039238,1296029,978726,24475628,979223,908678,1649,7876,29880393,47840,20871512],"isXBRL":[1,1,1,1,0,1,1,1,1,1,1,1,1,1,0,1,0,1,1,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,0,0,0,0,0],"isInlineXBRL":[1,1,1,1,0,1,1,1,1,1,1,1,1,1,0,1,0,1,1,0,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isXBRLNumeric":[1,1,1,1,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null],"primaryDocument":["gcgj_form10q30june2026.htm","gcgj10q_03312026.htm","gcgjform10k_2025.htm","gcgjform10q_amend_03092025.htm","gcgj_nt10k2025.htm","gcgj_8k.htm","gcgjform10q_03092025.htm","gcgj_form10q06302025.htm","gcg_form10q3312025.htm","gcgjreport10k_2024.htm","gcgj10q20240930.htm","gcgj8k.htm","gcgjform10q20240630.htm","gcgj_form10q20240331upd.htm","formnt10q.htm","gcgj10k_31december2023.htm","gcgj_nt10k.htm","gcgj_form8k.htm","gcgj_1020230930.htm","gcgj_nt.htm","gcgj_10q20230630.htm","chmt_10q31mar2023.htm","chmt10k_2022.htm","charmt_10q20220930.htm","report10q_20220630.htm","chmt8k.htm","charmt_31032022.htm","charmt10k2021.htm","charmt10qsep2021.htm","charmt10q.htm","f10qcharmtasofmarch312021.htm","charmt10-kdecember312020.htm","f10qcharmtseptember02020.htm","f10qcharmtasofjune302020.htm","charmt10qmar2020.htm","report10charmt.htm","f10qcharmt.htm","charmt424b1.htm","charmt10q_june302019update.htm","charmt_march2019.htm","xslEFFECTX01/primary_doc.xml","filename1.htm","forms-1_a1.htm","filename1.pdf","forms-1.htm"],"primaryDocDescription":["10-Q","10-Q","10-K","10-Q/A","NOTIFICATION OF LATE FILING","FORM 8-K","10-Q","10-Q","10-Q","10-K","10-Q","FORM 8-K","10-Q","","","","","","","","","","","","","","","","","","","","","","","FORM 10-K","FORM 10-Q","FILED PURSUANT TO RULE 424(B)(1)","FORM 10-Q","FOEM 10-Q","","","S-1/A","","S-1"]},"files":[]}}