# FDA Warning Letter: Estar Technologies Ltd
> 2026-05-12 · Center for Biologics Evaluation and Research · `3e554de31d8154f3`
## Letter
- **Company:** Estar Technologies Ltd
- **Posted Date:** 2026-05-12
- **Letter Issue Date:** 2026-04-22
- **Issuing Office:** Center for Biologics Evaluation and Research
## Subject
Investigational Device Exemptions (IDE)/Premarket Approval Application (PMA) Adulterated Device
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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*