about Chengdu Kaijie | Trusted Peptide Supplier
Dedicated to quality, innovation, and excellence in peptide manufacturing.
EXPLORE PEPTIDESTrusted Peptide Supplier Since 2003 – Chengdu Kaijie Biotechnology
As a premier peptide supplier, Chengdu Kaijie Biotechnology Co., Ltd. has been at the forefront of peptide research and production since 2003. Located in Chengdu’s thriving biotech ecosystem, our team of veteran peptide chemists has established our reputation as a reliable peptide supplier for pharmaceutical and research clients worldwide.
A Legacy of Peptide Excellence – The Chengdu Kaijie Story
Our Beginning
In March 2003, a team of veteran peptide chemists gathered in Chengdu, China, with a shared vision. They wanted to build something different—a peptide manufacturer that combined deep scientific expertise with an unwavering commitment to quality. That vision became Chengdu Kaijie Biotechnology Co., Ltd.
What started as a small team of passionate scientists has grown into a global peptide powerhouse. Today, we employ nearly 300 professionals across research and production facilities spanning over 12 hectares . Our clients include major pharmaceutical companies and research institutions across 69 countries, with over 1,300 enterprises and research partners trusting us as their peptide supplier.
We believe that great science deserves great support. Whether you’re a pharmaceutical company developing life-changing therapies or a researcher exploring new frontiers in peptide applications, we’re here to help you succeed.
Our Mission
To combine innovation with excellence by developing and manufacturing high-quality peptides accompanied by professional and friendly scientific support .
Our Vision
We envision a future where Chengdu Kaijie Peptides is recognized worldwide for excellence in peptide production, innovation, and customer service.
Our Core Values
Integrity, quality, innovation, and customer satisfaction. Our values guide every decision we make. We conduct business with honesty,
Driven by Innovation
Innovation is a key part of our growth strategy. We invest in scientific development, manufacturing technologies
Our Journey: From Vision to Global Leadership
2003: The Founding Year – Founded in Chengdu by experienced peptide chemists with over 20 years of combined industry experience .
2007: A Global Vision – Our board welcomed leaders from California pharmaceutical companies and Cambridge University biochemists, refining our management systems and production processes to meet international standards .
2010: Industry Recognition – Became a chemBlink standard product supplier, marking our entry into the global chemical supplier network .
Today: A Global Leader – With GMP-certified facilities, US FDA preparatory work underway, and a reputation for excellence across 69 countries, we continue to push the boundaries of peptide research and production
Experienced Scientific Professionals
Behind every product is a team of skilled professionals focused on quality, innovation, and customer satisfaction. Our scientific and operational experts work together to ensure that every project receives the attention, expertise, and professionalism it deserves.
BUILDING THE FUTURE TOGETHER
Our Expertise: The People Behind the Peptides
Our core leadership consists of experienced peptide chemists who have dedicated their careers to understanding the science of peptides . Their expertise spans:
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Peptide Synthesis – Advanced solid-phase and solution-phase synthesis techniques
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Process Development – From laboratory-scale to industrial production
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Quality Management – Rigorous GMP compliance and quality control systems
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Regulatory Affairs – Navigating international pharmaceutical standards
Committed to Quality Excellence
At Chengdu Kaijie Peptides, we understand that quality and consistency are essential. Our manufacturing processes are designed with strict quality controls and rigorous standards to help ensure reliable products and dependable performance. We continuously evaluate and improve our processes to maintain customer confidence and satisfaction.
Our Capabilities: What Sets Us Apart
World-Class Facilities – Our production facilities feature state-of-the-art equipment including:
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Peptide synthesizers (g to kg scales): CS536, CS936
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Varian preparative chromatography systems and packing columns
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GILSON preparation systems
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BACMAN semi-preparative systems
Industrial Scale Production – Our GMP-certified solid-phase peptide synthesis can meet USP, EP, or CP requirements, with single batch production reaching kilogram scales .
Comprehensive Quality Control – We maintain multi-level quality management systems covering:
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Raw material inspection
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In-process quality control
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Finished product testing
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Third-party verification (Finnrick verified)
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Certificates of Analysis with every shipment
Our Commitment to Quality
GMP Compliance – Our production facilities follow strict Good Manufacturing Practice (cGMP) standards, ensuring product safety, consistency, and quality . Currently, we have achieved Chinese GMP compliance, and US FDA preparatory work is underway .
Regulatory Standards – Our pharmaceutical-grade production meets USP (United States Pharmacopeia), EP (European Pharmacopoeia), or CP (Chinese Pharmacopoeia) requirements .
Comprehensive Documentation – Every product shipment includes detailed Certificates of Analysis, providing transparency and traceability for your research or manufacturing needs.
Why the World Trusts Chengdu Kaijie
| Metric | Our Commitment |
|---|---|
| Experience | 20+ years of peptide manufacturing excellence |
| Facilities | 12+ hectares of R&D and production space |
| Team | Nearly 300 dedicated professionals |
| Global Reach | Clients in 69 countries |
| Partners | 1,300+ enterprises and research institutions |
| Quality | GMP-certified, Finnrick-verified purity |
Our Future Vision
Chengdu Kaijie continues to evolve. We’re expanding our capabilities, investing in new technologies, and deepening our commitment to research and development. Our goal remains unchanged: to be the world’s most trusted partner for high-quality peptide products and services.
We’re exploring cutting-edge applications in:
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Peptide vaccines
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Peptide-targeted drugs
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Novel therapeutic peptides
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Advanced drug delivery systems
Join Our Global Community
Whether you’re a pharmaceutical company seeking reliable peptide APIs or a researcher in need of custom peptide synthesis, Chengdu Kaijie is your partner in success. Our experienced team is ready to support your peptide supply needs with quality, transparency, and genuine scientific expertise.