Peptide Manufacturers in China

48 companies are listed as peptide manufacturers and suppliers in China. 41 hold active US Drug Master Files for peptide APIs, most often for Semaglutide, Tirzepatide, Retatrutide. 12 have a regulator record of GMP manufacturing. 21 score High (90 or more). 3 listings carry an open FDA warning letter, which caps the score at 60.

Ordered by score. Scores follow the published rules and are not affected by paid placement. Updated 2026-11-13.

Peptide CDMOs (21)

GMP

Tianjin unit of Asymchem, a CDMO listed in Shenzhen and Hong Kong that makes peptides and oligos; US DMFs for liraglutide and semaglutide.

Model
CDMO
Manufacturer?
Yes
GMP CertifiedCDMO
GMP

Hangzhou peptide CRDMO founded in 2001, part of CPC Scientific/Medtide, with production in China and the USA. Holds US DMFs for cetrorelix, semaglutide and tirzepatide.

Model
CDMO
Manufacturer?
Yes
GMP CertifiedIn-House ProductionWholesaleInternational Shipping
GMP

Neijiang, Sichuan injectables and API maker founded in 2010, listed on Shanghai's STAR Market, with FDA and UK MHRA GMP inspections; holds an active US DMF for lanreotide.

Model
CDMO
Manufacturer?
Yes
GMP CertifiedFDA InspectedCDMO ServicesUS DMF HolderInjectables
High
GMP

Jiangsu peptide CDMO and generic API supplier with large automated SPPS capacity; states it has passed four US FDA inspections. Holds US DMFs for 9 peptide APIs.

Model
CDMO
Manufacturer?
Yes
GMP CertifiedIn-House ProductionWholesaleInternational Shipping
GMP

Peptide and oligonucleotide CRDMO unit of WuXi AppTec, covering discovery through API and drug product manufacture. WuXi STA's peptide projects are routed to this platform.

Model
CDMO
Manufacturer?
Yes
GMP CertifiedIn-House ProductionCDMOPeptide APIs
GMP

Chongqing API maker founded in 2016 covering high-potency APIs, peptides and XDC compounds with CDMO services; reports FDA on-site inspections in 2024 and 2025 and holds a US DMF for semaglutide.

Model
CDMO
Manufacturer?
Yes
GMP CertifiedFDA InspectedCDMO ServicesUS DMF HolderHPAPI

Shanghai recombinant protein and enzyme maker, listed on the STAR Market, offering CMC development and GMP manufacturing; holds a US DMF for a semaglutide peptide fragment.

Model
CDMO
Manufacturer?
Yes
CDMO ServicesIn-House ProductionUS DMF HolderRecombinant Proteins
High
GMP

Chinese end-to-end CDMO with a peptide and oligonucleotide (TIDES) platform. It runs manufacturing sites in China and in New Jersey, USA.

Model
CDMO
Manufacturer?
Yes
GMP CertifiedIn-House ProductionCDMOPeptide APIs
GMP

Shenzhen peptide CDMO and API maker founded in 2009, with 13 cGMP lines and 85,000 L of SPPS/LPPS reactor volume. Holds US DMFs for 6 peptide APIs.

Model
CDMO
Manufacturer?
Yes
GMP CertifiedIn-House ProductionWholesaleInternational Shipping

Suzhou API and intermediate maker founded in 2000 offering CDMO/CMO services; holds an active US DMF for semaglutide.

Model
CDMO
Manufacturer?
Yes
In-House ProductionCDMO ServicesUS DMF HolderAPIs & Intermediates

Suzhou peptide API and formulation maker founded in 2000, flagship of Tianma Pharma Group, offering CRO/CMO/CDMO services. Holds US DMFs for 8 peptide APIs.

Model
CDMO
Manufacturer?
Yes
In-House ProductionWholesaleInternational Shipping

Zunyi, Guizhou peptide manufacturer offering development and kg-scale production; holds active US DMFs for tirzepatide and other peptides.

Model
CDMO
Manufacturer?
Yes
In-House ProductionCDMO ServicesUS DMF HolderResearch Peptides

Hangzhou peptide and oligonucleotide CRDMO supporting projects from preclinical to commercial supply; holds active US DMFs for tirzepatide and inclisiran.

Model
CDMO
Manufacturer?
Yes
CDMO ServicesIn-House ProductionUS DMF HolderOligonucleotides
ISO

Hangzhou peptide maker founded in 2014 offering pharmaceutical, cosmetic and catalog peptides plus peptide CRO/CDMO work; holds an active US DMF for semaglutide.

Model
CDMO
Manufacturer?
Yes
In-House ProductionCDMO ServicesISO 9001US DMF HolderCustom Peptides
Medium

Hangzhou peptide developer offering peptide APIs, intermediates, impurities and ADC/PDC linkers plus custom synthesis and process development; holds an active US DMF for tirzepatide.

Model
CDMO
Manufacturer?
Yes
In-House ProductionCDMO ServicesUS DMF HolderPeptide Impurities

Hangzhou peptide API maker and CDMO founded in 2019, supplying therapeutic and cosmetic peptides. Holds US DMFs for linaclotide, semaglutide and tirzepatide.

Model
CDMO
Manufacturer?
Yes
In-House ProductionWholesaleInternational Shipping
Medium

Ningxia API and peptide maker founded in 2016 in Pingluo, offering peptide API development and manufacturing; holds US DMFs for semaglutide and tirzepatide.

Model
CDMO
Manufacturer?
Yes
In-House ProductionCDMO ServicesUS DMF HolderAPIs & Intermediates
Medium

Suzhou peptide CRDMO with GMP workshops built to ICH Q7; US DMFs for semaglutide and tirzepatide.

Model
CDMO
Manufacturer?
Yes
In-House ProductionWholesaleCDMOCustom Synthesis
Medium

Suzhou API and intermediates producer offering customized manufacturing. Holds US DMFs for semaglutide, thymalfasin and tirzepatide.

Model
CDMO
Manufacturer?
Yes
In-House ProductionWholesaleInternational Shipping

Wuhan fermentation-based CDMO founded 2008 making GLP-1 APIs, proteases and cell products; US DMFs for semaglutide and its main chain.

Model
CDMO
Manufacturer?
Yes
In-House ProductionWholesaleCDMO

Nantong company founded in 2020 that makes peptides by biosynthesis and offers peptide CMC development. Holds US DMFs for semaglutide and tirzepatide.

Model
CDMO
Manufacturer?
Yes
In-House ProductionWholesaleInternational Shipping

Peptide API and research peptide manufacturers (24)

GMP

Changzhou API and tablet maker founded 1949 with a record of US FDA, EU GMP and PMDA inspections; US DMFs for semaglutide and tirzepatide.

Model
Manufacturer
Manufacturer?
Yes
GMP CertifiedIn-House ProductionWholesale
GMP

Chinese maker of generic small-molecule, peptide and oligonucleotide APIs, founded in 1998, with an FDA-inspected site in Yangzhou. Holds US DMFs for semaglutide and tirzepatide.

Model
Manufacturer
Manufacturer?
Yes
GMP CertifiedIn-House ProductionWholesaleInternational Shipping
Hybio Pharmaceutical
Shenzhen, China
High
GMP

Chinese peptide drug manufacturer producing APIs and finished products.

Model
Manufacturer
Manufacturer?
Yes
GMP CertifiedIn-House Production
High

Beijing API company, founded 2006, that holds DMFs and has its APIs made in partner facilities under its own quality control. Holds US DMFs for 13 peptide APIs.

Model
Manufacturer
Manufacturer?
Yes
WholesaleInternational Shipping

Nanjing API subsidiary of Nasdaq-listed Amphastar; US DMF for teriparatide.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionWholesale

Chongqing maker of diabetes and obesity drugs, active since 2015 and controlled by Zhifei (300122) since 2025; US DMFs for liraglutide and semaglutide.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionWholesale

Hangzhou recombinant drug maker listed in Hong Kong (02566), formerly Huadong Medicine's gene engineering centre; US DMF for liraglutide.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionWholesale

Hangzhou drug maker incorporated 1993, part of Shenzhen-listed Huadong Medicine; two group entities hold US DMFs for semaglutide.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionWholesale

Main operating subsidiary of Hong Kong-listed Hansoh Pharma, founded 1995; holds US DMFs for degarelix and icatibant.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionWholesale

Shenzhen-listed drug maker (002294) selling APIs and finished products; US DMF for bivalirudin.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionWholesale

Beijing biotech founded in 2018 that develops and produces recombinant protein and peptide drugs in E. coli for metabolic disease; holds an active US DMF for semaglutide.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionUS DMF HolderRecombinant Peptides

Shanghai bulk peptide maker supplying wholesalers; holds US DMFs for bremelanotide, semaglutide and tirzepatide.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionWholesale
Medium

Putian, Fujian peptide API maker founded in 2019 by New Hope and Taiwan's Genovior, focused on GLP-1 APIs. Holds US DMFs for semaglutide and tirzepatide.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionWholesaleInternational Shipping
Medium

Shanghai maker of protected amino acids, custom and catalogue peptides, drug peptides, cosmetic peptides and antibodies, with eight production bases.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionCustom SynthesisCatalog PeptidesWholesale

Changchun biopharmaceutical maker of somatropin, semaglutide and other APIs; holds active US DMFs for semaglutide and somatropin.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionUS DMF HolderRecombinant APIs

Nanjing supplier of insulin and metabolic peptide APIs with technology transfer services; US DMFs for semaglutide and tirzepatide.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionWholesale

Weihai Sino-US joint venture founded 2016 making peptide APIs and cosmetic peptides; US DMFs for leuprolide and semaglutide.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionWholesaleCustom Synthesis
Medium

Shenzhen peptide company founded in 2020 making GLP-1 peptide APIs, sterile vials and peptide reference materials at a Zhongshan plant; holds an active US DMF for tirzepatide.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionUS DMF HolderReference StandardsCustom Peptides
Medium

Shenzhen synthetic-biology ingredient maker with semaglutide as its lead biopharma product; US DMFs for semaglutide main chain and side chain.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionWholesale

Leshan-based peptide producer founded in 2015 with SPPS and LPPS lines; holds US DMFs for eptifibatide, semaglutide and tirzepatide.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionWholesaleCustom Synthesis
Medium

Hangzhou company founded in 2020 that makes GLP-1 peptides by fermentation plus semi-synthesis; holds an active US DMF for semaglutide API.

Model
Manufacturer
Manufacturer?
Yes
In-House ProductionUS DMF HolderGLP-1 Peptides
GMP

Harbin peptide API maker founded in 2011. Holds US DMFs for 11 peptide APIs. FDA issued it a CGMP warning letter in May 2026 that remains open.

Notice: open regulatory issue
Model
Manufacturer
Manufacturer?
Yes
In-House ProductionWholesaleInternational Shipping

Nanjing maker of peptide, protein and polysaccharide APIs and finished products, registered in 2017. Holds US DMFs for semaglutide and tirzepatide. FDA warning letter issued Nov 2026.

Notice: open regulatory issue
Model
Manufacturer
Manufacturer?
Yes
In-House ProductionWholesaleInternational Shipping
GMP

Large Zhejiang API and generic drug maker founded in 1989 and listed in Shanghai; holds active US DMFs for semaglutide and a semaglutide intermediate. It has an open FDA warning letter from June 2025.

Notice: open regulatory issue
Model
Manufacturer
Manufacturer?
Yes
FDA InspectedUS DMF HolderIn-House ProductionAPIs & Finished Dosage

Research peptide suppliers (3)

Resellers of research-use-only peptides. Products are not for human consumption.

Pepti (peptioem.com)
Guangzhou, China
Medium
COA3rd Party

Guangzhou factory-direct research peptide and private-label OEM supplier with a public lot COA library; sample orders from one 10-vial kit.

Model
Research Supplier
Manufacturer?
Yes
MOQ
1 kit (10 vials) for samples
Research Use OnlyWholesaleIn-House ProductionCOAs Available
SeqLine Bio
Guangzhou, China
Medium
COA

Guangzhou research peptide maker and private-label OEM with a public lot COA library; samples from one 10-vial kit, private label from 100 kits.

Model
Research Supplier
Manufacturer?
Yes
MOQ
1 kit (10 vials) samples; 100 kits private label
Research Use OnlyWholesaleIn-House ProductionCOAs Available

Shenzhen research peptide supplier and OEM storefront of China Biotech Group, established 2010, with a one-kit minimum order.

Model
Research Supplier
Manufacturer?
Yes
MOQ
1 kit
Research Use OnlyWholesaleIn-House Production

More in China

Peptide APIs with US DMFs held by companies in China

Peptide Manufacturers in other countries

Frequently asked questions

How many peptide manufacturers and suppliers in China are listed?

48 companies. Each listing shows location, business model, documentation and a score from 0 to 100.

Which peptide manufacturers and suppliers in China score highest?

By score: Asymchem Life Science (Tianjin) Co., Ltd (98), Changzhou Pharmaceutical Factory (CPF) (98), Chinese Peptide Company (CPC Scientific) (98), Sichuan Huiyu Pharmaceutical Co., Ltd. (98), Sinopep-Allsino Biopharmaceutical Co., Ltd. (98). Scores measure checkable evidence, not product quality, and paid placement does not change them.

Which peptide manufacturers and suppliers in China hold US Drug Master Files?

Asymchem Life Science (Tianjin) Co., Ltd, Changzhou Pharmaceutical Factory (CPF), Chinese Peptide Company (CPC Scientific), Sichuan Huiyu Pharmaceutical Co., Ltd., Sinopep-Allsino Biopharmaceutical Co., Ltd., Yangzhou Aurisco Pharmaceutical Co., Ltd. (Aurisco), Hybio Pharmaceutical, ALP Pharm Beijing Co., Ltd., Amphastar Nanjing Pharmaceuticals Inc (ANP), Chongqing Chen'an Biopharmaceutical Co., Ltd and 31 more hold active Type II DMFs for peptide APIs in FDA's DMF list. A DMF is a confidential file submitted to FDA; FDA does not approve DMFs, but drug applications can reference them.

How should I check a supplier before ordering?

Confirm the legal entity, ask for lot-specific certificates of analysis that the testing lab can verify, check FDA warning letters and import alerts, and for GMP material ask for regulator inspection records rather than marketing claims.