Customer Service
Our team is available 7 days per week. Please allow up to 12 hours for a response — most replies arrive much faster.
peptidecorewh@gmail.com WhatsApp: +86 181 0727 4436Wholesale Inquiries
Need more than the listed quantities? We offer specialized volume pricing for wholesale orders by the box, plus private label and custom synthesis.
Request a Wholesale Quote Wholesale Program DetailsCOA & Batch Support
Every batch ships with a lot-matched Certificate of Analysis. Need a specific batch report or documentation for customs?
COA Lookup Request Batch DocumentsFastest Response: WhatsApp
Message us directly for quotes, catalog questions, lead times or shipping status. A real person who knows the catalog replies — usually in minutes.
Manufacturing & Dispatch Address
This is our Wuhan production and international order-dispatch facility:
Wuhan, Hubei, China
湖北省武汉市东西湖区张柏路218号
U.S. correspondence address:
5830 E 2nd St, Casper, WY 82609, United States. This address is for business correspondence only; it is not a manufacturing or return facility.
Returns: please DO NOT ship your return before contacting us — an RMA number and instructions are required. See the Returns & Refunds policy.