# FDA Warning Letter: Yangzhou Hongshengding Chemical Co., Ltd.
> 2026-06-30 · Center for Drug Evaluation and Research (CDER) · `b82b7951c6cb98a8`
## Letter
- **Company:** Yangzhou Hongshengding Chemical Co., Ltd.
- **Posted Date:** 2026-06-30
- **Letter Issue Date:** 2026-06-15
- **Issuing Office:** Center for Drug Evaluation and Research (CDER)
## Subject
Refusal to Provide Access to and Copying of Records
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*Source: [FDA Warning Letters](https://www.fda.gov/inspections-compliance-enforcement-and-criminal-investigations/compliance-actions-and-activities/warning-letters) · MORVS · CC0 1.0*