{"schema_version":"secwatch.filing_event.v1","accession":"0001683168-23-007910","form_type":"8-K/A","ticker":"QSJC","cik":"0001753391","company_name":"TANCHENG GROUP CO., LTD.","filed_at":"2023-11-13T23:59:59+00:00","discovered_at":"2026-05-14T18:03:30.313984+00:00","generated_at":"2026-06-08T05:18:37.494641+00:00","sec_items":["5.02"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Tancheng Group amends 8-K to disclose omitted related-party transactions with new director Longjiao Li","bullets":["Appointed Longjiao Li as director on Oct 12, 2023; board now has two members: Yu Yang and Longjiao Li.","Corrected omission: Ms. Li and Huaxin Investment had $350K U.S. listing guidance agreement (July 2022) and $50K advisory agreement (Feb 2023) with subsidiary Qiansui Media.","No changes to previously reported appointments of officers Caixia Zhang and Ping Li.","Ms. Li co-founded Huaxin Investment in 2017 and serves as independent director at DT Cloud Acquisition Corporation."],"urls":{"canonical":"https://secwatch.observer/filing/0001683168-23-007910","json":"https://secwatch.observer/filing/0001683168-23-007910.json","markdown":"https://secwatch.observer/filing/0001683168-23-007910.md","text":"https://secwatch.observer/filing/0001683168-23-007910.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1753391/000168316823007910/0001683168-23-007910-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1753391/000168316823007910/tancheng_8ka1.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-08T05:18:37.494641+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"7548d28367","claim":"Longjiao Li was appointed as Director at TANCHENG GROUP CO., LTD..","evidence_excerpt":"On October 12, 2023, the Board of Directors (the “Board”) of the Company appointed an additional director, Ms. Longjiao Li, to the Board.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1753391/000168316823007910/0001683168-23-007910-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}