CONTACT US

Contact China Grey Peptides Company — Your Trusted USA Peptide Supplier

Welcome to the China Grey Peptides Company contact page. Whether you’re a researcher seeking documentation, a wholesale buyer exploring bulk pricing, or a first-time customer verifying our credentials, we’re here to help. As a legitimate, licensed manufacturer operating from our headquarters in Shanghai, we bridge the gap between advanced Chinese peptide synthesis and the rigorous demands of the American research community.

Get in touch with our team today. We typically respond within 24 business hours.

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Frequently Asked Questions — Before You Contact Us

Do you sell to individuals or only wholesale companies?

We serve both. Whether you’re an independent researcher needing a single vial or a large supply company requiring bulk kilograms, we have flexible solutions for you.

How long does shipping take within USA?

express shipping typically takes 1-2 business days to most US addresses. We offer discreet, tracked shipping options for both small retail orders and wholesale shipments.

: Do you sell to individuals or only wholesale companies?

We serve both. Whether you’re an independent researcher needing a single vial or a large supply company requiring bulk kilograms, we have flexible solutions for you.

Do you provide Certificates of Analysis (COA)

We can provide sample COAs upon request. Every batch we ship includes its own Mass Spec and HPLC chromatogram data. We don’t hide behind “representative” testing