# ACTIVITY PEPTIDE

> Peptide COA, analytical-method and batch-traceability review route.

## Company

- Legal seller: Hebei Meilan Biotechnology Co., Ltd. / 河北美岚生物科技有限公司
- Location: Shijiazhuang, Hebei, China
- Contact: sales@hengyuepeptide.com

## Start here

- [COA review](https://activity.pepteora.com/coa-review): product, lot, method, result, limit and approval fields.
- [Test methods](https://activity.pepteora.com/test-methods): questions commonly associated with HPLC and mass spectrometry.
- [Batch traceability](https://activity.pepteora.com/batch-traceability): connect specification, report, quotation and packing records.
- [Quality](https://activity.pepteora.com/quality): evidence boundaries and review questions.

## Boundary

ACTIVITY does not claim an in-house accredited laboratory. A COA is not universal certification. Independent testing and market review remain separate, explicit scopes.

Updated: 2026-11-13