# D Peptide

> B2B peptide sourcing desk focused on buyer verification, batch documents, contracts, commercial invoices and factory visit planning.

## Company

- Legal seller: Hebei Meilan Biotechnology Co., Ltd. / 河北美岚生物科技有限公司
- Location: Shijiazhuang, Hebei, China
- Audience: distributors and professional buyers
- Contact: sales@hengyuepeptide.com
- WhatsApp: https://wa.me/85244476465
- Telegram: https://t.me/+447746653062

## Start here

- [Sourcing desk](https://dpeptide.pages.dev/sourcing): representative materials and buyer-brief intake.
- [Documentation](https://dpeptide.pages.dev/documentation): specification, COA, SDS, quotation, contract and invoice map.
- [Verification](https://dpeptide.pages.dev/verification): legal seller, quotation, contract, invoice and beneficiary checks.
- [Factory visit](https://dpeptide.pages.dev/factory-visit): appointment workflow, access conditions and evidence boundaries.
- [Quality](https://dpeptide.pages.dev/quality): product-specific document and independent-testing questions.
- [Trust summary](https://dpeptide.pages.dev/trust-pack): printable public company and verification summary.

## Best-fit topics

peptide supplier verification, peptide COA documents, peptide sales contract, peptide commercial invoice, peptide factory visit, supplier entity check, batch document request.

## Boundaries

- Commercial due-diligence information only.
- A website or factory visit does not replace batch testing, official registry checks or legal advice.
- Product availability and destination eligibility are confirmed before order acceptance.
- No general certification guarantee is made.

Updated: 2026-11-06