Warning letter summary

Yangzhou Hongshengding Chemical Co., Ltd. - Refusal to Provide Access to and Copying of Records

Source-linked warning-letter readout for QA, RA, supplier-quality, and response-support triage. Use it to see the control signal before you open the full FDA letter.

2026-06-30Pharma / drug qualityPublic FDA source
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What FDA posted

Posted 06/30/2026. Issued 06/15/2026. Center for Drug Evaluation and Research (CDER). Refusal to Provide Access to and Copying of Records.

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Signal read

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  • Use the public FDA source as the authoritative record.
  • Route high-fit items to the team responsible for the cited control area.

How to use this page

Turn a source link into a review question.

For internal teams

Use the signal notes to decide whether QA, RA, supplier quality, laboratory operations, or site leadership should review the letter.

For advisors and consultants

Use the source link and signal notes as a fast screen for whether the matter fits your response, remediation, data-integrity, or inspection-readiness work.

Response support

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Response-help intake

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Boundary

Use FDA as the authority.

Use the FDA source as the authoritative record. FDA Warning Monitor summarizes public source material for monitoring and referral triage only. It does not evaluate legal risk, recommend a corrective action plan, or represent FDA.