Issued to Hangzhou Yiqi Biotechnology Co., Ltd. Serious post-market compliance violation.
Issued
April 15, 2026Product
CGMP/Active Pharmaceutical Ingredient (API)/Adulterated
Company
Hangzhou Yiqi Biotechnology Co., Ltd
Review center
CDERStage
Final Decision
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FDA issued a warning letter to Hangzhou Yiqi Biotechnology Co., Ltd concerning CGMP/Active Pharmaceutical Ingredient (API)/Adulterated. Deterministic full-text screening identifies discussion of Manufacturing and CGMP controls, Labeling, claims, and misbranding, Laboratory controls and testing, Quality systems and CAPA. 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 April 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.