OTC·Services-Computer Programming, Data Processing, Etc.

QSJCTANCHENG GROUP CO., LTD.

TANCHENG GROUP CO., LTD. (QSJC) has a auditor change flag.

Last filing: filing·Mar 31, 2026EDGAR ↗

QSJC Risk Flags

Consolidated view of every risk_flag row QSJChas surfaced across DredgeCap's extractor pipeline (auditor changes, late filings, delistings, going-concern, dilution, etc.). Each row carries a verbatim source_excerpt and links to the source SEC filing on EDGAR.

Category	Severity	Source	Excerpt	EDGAR
Auditor Change	low	10-K · Mar 29, 2024	PCAOB-tagged auditor in 10-K filed 2024-03-29 (accession 0001683168-24-001846) was 'Onestop Assurance PAC' (PCAOB Firm ID: 6732). Prior 10-K filed 2022-09-21 (accession 0001753391-22-000019) was 'Mac Accounting Group, LLP' (PCAOB Firm ID: 6…	view ↗

Related on QSJC

Auditor & opinion →

Source for auditor_change + going-concern flags.

Share-count dilution →

Source for dilution + convertible-debt flags.

Risk-flag rows are produced by DredgeCap's extractor pipeline (lib/extract-auditor-changes, extract-late-filings, etc.). Each row carries a verbatim source_excerpt from the underlying SEC filing — no AI-generated language. Refresh runs daily. Not financial advice.