Issued to Yangzhou Hongshengding Chemical Co., Ltd.. Serious post-market compliance violation.
Issued
June 15, 2026Product
Refusal to Provide Access to and Copying of Records
Company
Yangzhou Hongshengding Chemical Co., Ltd.
Review center
CDERStage
Final Decision
Assyro regulatory brief
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FDA issued a warning letter to Yangzhou Hongshengding Chemical Co., Ltd. concerning Refusal to Provide Access to and Copying of Records. Deterministic full-text screening identifies discussion of Manufacturing and CGMP controls, Labeling, claims, and misbranding. Topic matches are navigation aids, not a legal conclusion; review the exact FDA web letter and any later response or closeout.
Review the exact FDA warning letter, cited violations, requested corrections, and any later response or closeout before assessing current status.
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Serious post-market compliance violation. Public notice requiring prompt remediation. FDA issued this letter on June 15, 2026.
The firm is expected to respond in writing, normally within 15 working days, describing corrective actions and timelines. FDA verifies remediation — often through reinspection — and issues a closeout letter when violations are corrected. Unresolved warning letters can escalate to import alerts, seizure, or injunction.