Precision Peptide Synthesis
OEM Contract Manufacturing
Rigorous Quality Control
Qizhi'en Biotechnology

OEM Contract Manufacturing

End-to-End Custom Solutions

From raw material sourcing to finished product delivery — full quality control throughout

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15000+
Peptide Sequences Synthesized
99%
Client Satisfaction Rate
500+
Research Partners Worldwide
15+
Years of R&D Expertise

SERVICES

Tailored Service Ecosystem

From R&D to delivery, full-chain professional services to help your projects succeed

COA Quality Reports

Every batch comes with a complete Certificate of Analysis, including HPLC purity, mass spectrometry, moisture content, sterility testing, and more.

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OEM Custom Manufacturing

OEM Custom Manufacturing

From sequence design and synthesis optimization to packaging and labeling — a complete one-stop OEM service supporting small-batch trials and large-scale production.

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Technical Support

Our expert R&D team provides 7×24 technical consulting, assisting clients with sequence optimization, dissolution protocol design, and experimental planning.

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About Us
15+
Years of professional
peptide R&D

ABOUT US

Focused on Peptide Science,Setting the Industry Standard

We are a high-tech enterprise specializing in peptide synthesis, R&D, and custom manufacturing services. Founded in 2009 and headquartered in Zhangjiang Hi-Tech Park, Shanghai, we have served 500+ research institutions and biopharmaceutical companies worldwide.

ISO 9001 Quality Management System Certified
GMP-Compliant Manufacturing Environment
Products Exported to 30+ Countries
100+ Professional R&D and Technical Staff
CTA Background

GET STARTED

Start Your Custom Peptide Journey

Our expert team responds 7×24 hours — full professional support every step of the way

01

Discuss Requirements

02

Design Proposal

03

GMP Production

04

Delivery & COA