Chinese Peptide Manufacturers
70 suppliers listed in China.
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 TIDES, Hybio, Sinopep and numerous regional manufacturers provide significant SPPS and LPPS capacity. The BIOSECURE Act and related US legislation are reshaping China-to-US peptide supply chains, and FDA Import Alert 66-40 names foreign firms, including Chinese peptide API makers, whose drugs can be detained for failing GMP requirements. Buyer due diligence on Chinese suppliers should include independent third-party quality audits and verification of GMP certifications.
Directory listing last reviewed October 2026.
Featured listings are paid placements. Verified suppliers with a confidence score of 80 or above appear next, in an order that rotates daily; verification is a paid review of company ownership and documents. Confidence scores are set by our editorial review. Sort by highest score to rank every listing by confidence score alone.
Hybio Pharmaceutical
China • CDMO
Chinese Peptide Company (Medtide)
China (Hangzhou) • CDMO
Hainan Shuangcheng Pharmaceuticals
China (Haikou) • Manufacturer
Asymchem
USA (NC) / China • CDMO
Aurisco Pharmaceutical
China (Yangzhou) • Manufacturer
WuXi TIDES
China • CDMO
Zhejiang Jiuzhou Pharmaceutical Co., Ltd.
China • CDMO
Apeloa Pharmaceutical
China • Manufacturer
Shanghai Soho-Yiming Pharmaceuticals
China (Shanghai) • Manufacturer
WTW TechnologyVerified
China (Shanghai) • Research Supplier
GenScript Biotech
USA / China • CDMO
CPC Scientific
USA / China • CDMO
Zhejiang Peptites Biotech (ZPC)
China (Shengzhou, Zhejiang) • Manufacturer
Sinopep Biopharma
China • CDMO
Fujian Genohope Biotech
China (Fujian) • CDMO
Space Peptides
Switzerland / China • CDMO
ChemExpress (Shanghai Haoyuan)
China (Shanghai) • CDMO
JYMed Peptide
China (Shenzhen) • CDMO
Guizhou Utide Biotechnology
China (Zunyi, Guizhou) • Manufacturer
Hangzhou Thinheal Pharma-Tech Co.,Ltd
China (Hangzhou) • CDMO
Suzhou Tianma Pharma Group Tianji Bio-Pharmaceutical Co., Ltd.
China • Manufacturer
Porton Pharma Solutions Ltd.
China • CDMO
Anhui Anke Biotechnology (Group) Co., Ltd.
China • Manufacturer
Lianhe Aigen
China • CDMO
Viva Biotech Holdings
China (Shanghai) • CDMO
Suzhou Motif Biotech
China (Suzhou) • CDMO
Hangzhou Apextide Biomedical
China (Hangzhou) • CDMO
ALP Pharm Beijing
China (Beijing) • Manufacturer
GL Biochem (Shanghai)
China • Bulk Wholesale
ASPeptide
China • Wholesale
NeoPeptix
China / Global • Research Supplier
PharmaBlock Sciences
China (Nanjing) • Chemical Supplier
Hangzhou Leap Chem
China • Bulk Wholesale
BizPeptide
China • Bulk Wholesale
Sichuan Pengting Technology Co., Ltd.
China (Sichuan) • Bulk Wholesale
Pepmic
USA / China • Service Provider
DGpeptides
China (Hangzhou) • Research Supplier
Nanjing Cellnuo Biopharmaceutical
China (Nanjing) • Manufacturer
Sichuan Duorui Biopharmaceutical
China (Chengdu) • CDMO
Xiushi Biopharma
China (Nantong) • Manufacturer
Suzhou Ryway Biotech
China (Suzhou) • Manufacturer
El-Peptido (Shanghai) Biopharmaceutical
China (Shanghai) • Manufacturer
Shenzhen Lifeworth
China • Bulk Wholesale
Hangzhou Go Top Peptide Biotech Co., Ltd.
China • Manufacturer
China-Sinoway
China (Xiamen) • Supplier
Hangzhou Hotide Biotech
China (Hangzhou) • CDMO
Shanghai Yaxian Chemical
China (Shanghai) • CDMO
Nanjing Peptide Biotech
China • CDMO
Omizzur Biotech
China • CDMO
Kilo Biotechnology
China (Ningbo) • CDMO
Shenzhen Bestbell Pharma
China (Shenzhen) • Manufacturer
Alabiochem
China (Suzhou) • CDMO
Lyze Labs
China • Bulk Wholesale
enobio
China • CDMO
Hangzhou Enogen Biotech
China (Hangzhou) • CDMO
Hefei KS-V Peptide Science
China (Hefei) • Supplier
Shaanxi Bieyouth Biotech
China • Wholesale
Epitagen
Global (China-sourced) • Wholesale
Pepti
China • Bulk Wholesale
Hangzhou Sigmatech Peptide Ltd
China • Research Supplier
Expert Peptide
China • Research Supplier
Hongzi Peptide
China • Bulk Wholesale
Best Biochem
China • Supplier
Chengdu Shengnuo Biopharm
China • Bulk Wholesale
Qianmiao Peptide
China (Zhengzhou, Henan) • Wholesale
QSC Peptides
China / Global • Research Supplier
Vitaconin Biotechnology
China • Bulk Wholesale
Harbin Jixianglong Biotech
China (Harbin) • Manufacturer
Liyu Daily
China • Bulk Wholesale
How do you compare Chinese peptide suppliers?
Chinese manufacturing is concentrated in Zhejiang, Jiangsu, and Fujian provinces, spanninglarge-scale peptide manufacturers and full-service peptide CDMOs. Compare each supplier's synthesis scale, export record, and quality documentation, and review finished-dose capability separately from raw API capacity on the peptide API pages.
What should buyers verify before ordering from China?
Ask for the legal manufacturing entity, facility address, current GMP certificates, andbatch-specific COAs matched to the quoted lot. Use the directory's third-party tested listings as a starting point, and compare against US-based manufacturers when supply-chain diversification matters.
Buying wholesale from China?
For bulk quantities, compare wholesale peptide suppliers in China on MOQs, batch sizes, lead times, and lot-matched documentation — then request comparable quotes against one written specification. US buyers should factor tariffs, BIOSECURE-related requirements, and Import Alert 66-40 screening into landed cost and timelines.
Is it legal to import peptides from China?
Businesses import peptide APIs and research peptides from China routinely, but legality depends on the product, its intended use, and the importer. Peptide drug ingredients must come from a facility that meets FDA drug GMP requirements, and finished products marketed for human use need the relevant approval. “Research use only” labeling does not by itself make a product compliant. Check with a customs broker or regulatory advisor before a first import.
Do peptide shipments from China get seized at customs?
They can. Products from a firm on an FDA import alert can be detained at the border without physical examination, and parcels with missing or inaccurate paperwork can be refused. Ask the supplier for its FDA registration status, ship under accurate paperwork, and check the manufacturer against the FDA import alert lists before ordering. For GLP-1 APIs such as semaglutide and tirzepatide, Import Alert 66-80 is stricter: only manufacturers on the FDA's green list can ship without detention.
What is FDA Import Alert 66-40?
Import Alert 66-40 lets the FDA detain, without physical examination, drugs from foreign firms it has found out of compliance with drug GMPs. The firms are named on a public red list, and Chinese peptide API makers have been added during 2026. Search the supplier's legal name on the Import Alert 66-40 page before every new order.
How do you tell if a Chinese peptide supplier is legit?
Confirm the legal entity and business license, ask for a facility address you can verify, and check for FDA warning letters and import alerts. Ask for batch-specific COAs from a named lab, then commission your own test through an independent peptide testing lab before scaling an order.
Who are the largest peptide manufacturers in China?
The largest listed names include WuXi TIDES, Hybio Pharmaceutical, GenScript, Sinopep, Asymchem and Porton Pharma Solutions. These are CDMO-scale operations focused on GMP APIs and contract development rather than small research orders.
Where can I buy bulk peptides from China?
Start with bulk and wholesale suppliers in China and filter for GMP certification and third-party testing. Send every shortlisted supplier the same written specification, or use our quote request to reach several vetted suppliers at once.