# FDA Warning Letter: North American Hirudin Biotech Products Inc.
> 2021-05-18 · Office of Regulatory Affairs · `6aca61d0ec323ff9`
## Letter
- **Company:** North American Hirudin Biotech Products Inc.
- **Posted Date:** 2021-05-18
- **Letter Issue Date:** 2021-04-21
- **Issuing Office:** Office of Regulatory Affairs
## Subject
New Drug/Misbranded
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*Source: [FDA Warning Letters](https://www.fda.gov/inspections-compliance-enforcement-and-criminal-investigations/compliance-actions-and-activities/warning-letters) · AI Analytics · CC0 1.0*