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Premium peptide solutions for research, cosmetic, and pharmaceutical development. High-purity APIs, custom synthesis, and global support.

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Taijia Biotech Lab

About Hangzhou Taijia Biotech

Hangzhou Taijia Biotech Co., Ltd. is a biotechnology company located in the Binjiang District, Hangzhou City, specializing in the research and production of polypeptide products. Founded in 2017 by a Dr. returned from Germany with expertise in conotoxin polypeptide research, we are committed to delivering world-class peptide solutions.

Our mission is to provide high-quality, reliable, and innovative peptide products for scientific research, cosmetic applications, and pharmaceutical development. With strict adherence to GMP standards and a focus on customer collaboration, we ensure every product meets the highest industry benchmarks.

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Our Premium Peptide Products

Explore our comprehensive range of catalog, cosmetic, and drug peptides. All products are synthesized under strict quality control with full traceability and documentation.

Mazdutide 2259884-03-0

Mazdutide (2259884-03-0)

Dual GCG and GLP-1 receptor agonist for obesity and diabetes research. High purity, stable formulation.

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Retatrutide 2381089-83-2

Retatrutide (2381089-83-2)

Triple agonist (GLP-1, GIP, Glucagon) for metabolic disease research. USDMF available.

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Tirzepatide API

Tirzepatide API

Dual GIP/GLP-1 receptor agonist. GMP-compliant, USDMF registered. Ideal for diabetes and weight loss studies.

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Semaglutide Peptide API

Semaglutide Peptide API

GLP-1 analog for type 2 diabetes and obesity research. High purity (>98%), scalable production.

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Ziconotide / ω-CgTx MVIIA

Ziconotide (ω-CgTx MVIIA)

N-type calcium channel blocker derived from cone snail venom. Used in chronic pain research.

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BPC-157 Pentadecapeptide

BPC-157 Pentadecapeptide

Gastroprotective and healing-promoting peptide. Studied for gut health, tendon repair, and inflammation.

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Acetyl Hexapeptide-8 (Argireline)

Acetyl Hexapeptide-8 (Argireline)

Cosmetic anti-wrinkle peptide that mimics botulinum toxin effect. Reduces expression lines.

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Linaclotide

Linaclotide

Guanylate cyclase-C agonist used in IBS-C and chronic idiopathic constipation research.

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Cagrilintide

Cagrilintide

Dual AMYR/CTR agonist for obesity treatment. In clinical development with Novo Nordisk.

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GHK-Cu (Copper Peptide)

GHK-Cu (Copper Peptide)

Skin-repairing and anti-aging complex. Stimulates collagen, elastin, and glycosaminoglycan synthesis.

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Pepstatin A

Pepstatin A

Aspartic protease inhibitor used in biochemical research. Effective against pepsin and cathepsin D.

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Human Beta-Amyloid (1-42)

Human Beta-Amyloid (1-42)

Key protein in Alzheimer’s disease research. High-purity form for aggregation and toxicity studies.

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Why Choose Our Peptide Solutions?

With a foundation in scientific excellence and customer-driven innovation, we deliver unmatched value in peptide research and development.

Advanced Synthesis

SPPS and LPPS techniques, cyclization, PEGylation, fluorescent labeling, and click chemistry available.

GMP & USDMF Compliance

API-grade peptides with full documentation, regulatory support, and quality assurance.

Customization

Tailored sequences, modifications, scales, and formulations. Expert technical support throughout.

Global Reach

Trusted by researchers and manufacturers worldwide. Fast, reliable shipping and customs support.

100+
Peptide Products
50+
Global Clients
6 Years
In Innovation
98%+
Purity Standard

What Our Clients Say

"Good quality and low price, polypeptide products are guaranteed, and we will cooperate more with manufacturers in the future."

— Research Lab, Germany

"The customization service is excellent. I don't know much about peptide customization synthesis, but the technicians have explained it in detail."

— Biotech Startup, USA

"I learned about this factory by a friend's recommendation. I have used the catalogue polypeptide and the experiment was very successful."

— Academic Researcher, UK

"I designed a polypeptide sequence, which was successfully synthesized after many communication and attempts with manufacturers!"

— Pharmaceutical Developer, Canada

"It is a polypeptide manufacturer in China, which is very trustworthy."

— Cosmetic Formulator, France

"Peptides have been purchased many times, and the quality of raw materials is excellent, which is very helpful for our long-term research projects."

— University Lab, Japan

Frequently Asked Questions

Get in Touch

For pricing, samples, or technical inquiries, visit our official website to contact the team directly.

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