Chinese Peptide Manufacturers

Leading global source for raw peptide materials and large-scale manufacturing. These hubs specialize in competitive wholesale pricing and high-capacity synthesis for international export. Chinese peptide manufacturing is concentrated in Zhejiang province (including Hangzhou, Ningbo), Jiangsu province (Nanjing), and Fujian province, hosting CDMOs and API manufacturers serving global pharmaceutical and research markets. WuXi AppTec, PharmaBlock Sciences, and numerous regional manufacturers provide significant SPPS and LPPS capacity. The BIOSECURE Act and related US legislation are driving a restructuring of China-to-US peptide supply chains, with Import Alert 66-40 specifically targeting 22 Chinese facilities across Zhejiang and Jiangsu for steroid contamination testing and falsified COA records. Buyer due diligence on Chinese suppliers should include independent third-party quality audits and verification of GMP certifications. Showing 49 verified suppliers in China.

Our directory lists peptide CDMOs, bulk wholesalers, compounding pharmacies, institutional research suppliers, and specialist vendors operating in China. Supplier types span CDMO, Bulk Wholesale, Wholesale, Research Supplier, Manufacturer, Service Provider, Chemical Supplier, Supplier. Browse individual profiles below for detailed information on manufacturing capabilities, certifications, minimum order quantities, and product offerings.

Directory listing last reviewed July 2026.