Educational guide
Enogen: Peptide API Manufacturer in China
A professional peptide API manufacturer and CDMO Enogen is a professional peptide API manufacturer and CDMO based in China. Since 2015, we have been committed to providing high-quality GMP-grade peptide APIs and custom synthesis services for global pharmaceuti
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A professional peptide API manufacturer and CDMO
Enogen is a professional peptide API manufacturer and CDMO based in China. Since 2015, we have been committed to providing high-quality GMP-grade peptide APIs and custom synthesis services for global pharmaceutical and biotech companies.
WHAT ENOGEN OFFERS
Enogen offers a wide range of high-purity peptide products, including catalog peptides for research, generic peptide APIs for clinical use, custom peptide synthesis tailored to your needs, and cosmetic peptides for skincare innovations. All peptides are backed by strict quality control, batch-to-batch consistency, and flexible order quantities from milligrams to kilograms.
| Rapid Delivery Guarantee | 80% of catalog peptides ship within 3-5 workdays |
|---|---|
| Unmatched Batch Consistency | ISO 9001-certified production facilities |
| Application-Ready Formats | Pre-weighed aliquots available |
| Cost-Effective Solutions | No minimum order quantity |
| Rapid Delivery Guarantee | 80% of catalog peptides ship within 3-5 workdays |
|---|---|
| Unmatched Batch Consistency | ISO 9001-certified production facilities |
| Application-Ready Formats | Pre-weighed aliquots available |
| Cost-Effective Solutions | No minimum order quantity |
| Rapid Delivery Guarantee | 80% of catalog peptides ship within 3-5 workdays |
|---|---|
| Unmatched Batch Consistency | ISO 9001-certified production facilities |
| Application-Ready Formats | Pre-weighed aliquots available |
| Cost-Effective Solutions | No minimum order quantity |
Who We Are
Hangzhou Enogen Biotech Co., Ltd, a national high-tech enterprise in Zhejiang, China. Since our founding in 2015, we have focused on the R&D, production, and sale of high-quality peptide active pharmaceutical ingredients (APIs). Our strong R&D capability is driven by a top-tier team of over 30 PhDs and supported by more than 80 patents, ensuring continuous innovation and technical excellence.
Our manufacturing facility is fully certified by stringent international regulatory authorities, including China NMPA, US FDA, EU EDQM, and South Korea MFDS. This global compliance underscores our commitment to quality and enables us to serve pharmaceutical and biotech companies worldwide.
We are dedicated to providing reliable GMP manufacturing and custom peptide synthesis services. With high-quality products and exceptional customer support, we has earned recognition from global partners and continues to expand its reach in the peptide industry.
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Years of peptides research and development
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Kgs of peptides per year
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GMP production lines
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Number of Staffs
GMP&NON-GMP Service
At Enogen, we specialize in R&D, production of high-quality peptide and small molecule APIs, supporting leading therapeutics such as Semaglutide, Tirzepatide, and Liraglutide with GMP-commercial manufacturing. Capability for Semaglutide has achieved 20 KG per batch, enabling seamless scale-up from discovery to multi-ton commercial supply.
In addition, we offer comprehensive services including non-GMP custom synthesis, analytical development, and regulatory support. With advanced synthesis platforms and successfully inspected facilities, we help pharma and biotech partners accelerate time to market with reliable and scalable peptide production.
Quality & Compliance
Complying with GMP, FDA regulations
Custom Synthesis
From simple to complex modified peptides
Regulatory Support
Support for IND, NDA, and ANDA registrations
Technology Transfer
Transition from API to finished product
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Quality & Compliance
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Analytical Development & Process
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Analytical Development & Process
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Regulatory & CMC Support
Latest Press Releases
Frequently Asked Quiestions
What is a Peptide API
A peptide Active Pharmaceutical Ingredient (API) is the pure, biologically active substance in a drug product. It is the essential raw material used to manufacture finished peptide-based medications.
Which Peptides Do You Offer Beyond GLP-1?
We specialize in the R&D and commercial supply of various peptide APIs, including pharmaceutical peptides, research-grade peptides, cosmetic peptides, and small molecule APIs such as Retatrutide and Orforglipron.
Are You Listed on the US FDA's Green List?
Yes, our facility and specific products, including Semaglutide, Tirzepatide, etc., are listed on the US FDA’s Green List.
Still have questions?
Contact us directly — we’re here to help with specifications, pricing, lead times, and regulatory requirements.