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API & Nutraceutical Excellence from Nanjing Chemsun

Premium-quality Semaglutide, Tirzepatide, GHK-Cu, Orlistat, Fluralaner, and more — manufactured and exported with precision, integrity, and global compliance.

Chemsun Laboratory Chemsun Facility

About Chemsun

Nanjing Chemsun Co., Ltd is a fully integrated manufacturer and trading company based in China, specializing in the research, development, production, and export of high-purity Active Pharmaceutical Ingredients (API) and Nutraceuticals.

With a strong foundation in chemistry, pharmaceuticals, and international trade, we deliver reliable, compliant, and innovative solutions to partners across the globe.

R&D Driven

Advanced research in peptides and pharmaceuticals

Global Reach

Exported to 50+ countries

Chemsun Team

Our Core Values – PTCE

Professional, Trustworthy, Conscientious, Efficient

P

Professional

Experts in chemistry, pharma, and international logistics.

T

Trustworthy

Honesty and integrity in every transaction.

C

Conscientious

Attention to detail for superior service.

E

Efficient

Fast response, quick delivery, seamless process.

Our Premium Products

High-purity APIs and Nutraceuticals for global health innovation

Semaglutide

Semaglutide

GLP-1 receptor agonist used for type 2 diabetes and weight management.

  • Purity: ≥98%
  • CAS: 91013-66-8
  • Form: White to off-white lyophilized powder
  • Applications: Pharmaceutical, Research
Tirzepatide

Tirzepatide

Dual GIP and GLP-1 receptor agonist for diabetes and obesity treatment.

  • Purity: ≥98%
  • CAS: 204656-20-0
  • Form: Lyophilized powder
  • Applications: Clinical, Research

GHK-Cu (Copper Peptide)

Tripeptide with copper, known for skin regeneration and anti-aging.

  • Purity: ≥99%
  • CAS: 49557-75-7
  • Form: Blue crystalline powder
  • Applications: Cosmeceuticals, Nutraceuticals

Orlistat

Lipase inhibitor used for weight loss and obesity management.

  • Purity: ≥99%
  • CAS: 96829-58-2
  • Form: White crystalline powder
  • Applications: Pharmaceutical, OTC

Fluralaner

Systemic ectoparasiticide used in veterinary medicine.

  • Purity: ≥98.5%
  • CAS: 872328-85-9
  • Form: White to pale yellow powder
  • Applications: Animal Health, Veterinary API

Sermorelin Acetate

Growth hormone-releasing hormone (GHRH) analog.

  • Purity: ≥98%
  • CAS: 86168-78-7
  • Form: Lyophilized powder
  • Applications: Anti-aging, Research

BPC-157

Regenerative peptide for gut and tissue healing.

  • Purity: ≥98%
  • CAS: 137525-51-0
  • Form: White lyophilized powder
  • Applications: Research, Nutraceuticals

CJC-1295 (DAC)

Long-acting growth hormone secretagogue.

  • Purity: ≥98%
  • CAS: 863288-34-0
  • Form: Lyophilized powder
  • Applications: Research, Anti-aging

Follistatin 344

Myostatin inhibitor for muscle growth and regeneration.

  • Purity: ≥98%
  • Form: Lyophilized powder
  • Applications: Research, Sports Science

Selank

Nootropic peptide with anxiolytic and cognitive-enhancing effects.

  • Purity: ≥98%
  • Form: Lyophilized powder
  • Applications: Research, Neurological Studies

Our Services

End-to-end support for global pharmaceutical and nutraceutical partners

International Trade

We provide high-quality Chinese-origin APIs and nutraceuticals with customized portfolios to meet diverse client needs across continents.

Logistic Solutions

Partnered with reliable air and sea freight providers to ensure timely, secure, and compliant delivery worldwide.

Consulting Service

Our experienced team supports clients in supplier selection, export clearance, compliance, and logistics coordination.

50+
Countries Served
15+
Years Experience
200+
Products
99.8%
Customer Satisfaction

Frequently Asked Questions

What is the minimum order quantity (MOQ)?

MOQ varies by product. For most APIs, it starts from 10g. Contact us for specific details.

Do you provide certificates of analysis (CoA)?

Yes, every batch comes with a CoA, specification sheet, and safety data sheet (SDS).

Can you handle export documentation?

Absolutely. Our team manages all export compliance, including customs clearance and shipping documents.

Are your products GMP compliant?

Our manufacturing partners follow GMP standards. We also support DMF submissions upon request.

How do I request a quote?

Please visit our official website or contact us directly via email or WhatsApp for a prompt quotation.

Get in Touch

Reach out for product inquiries, quotations, or partnership opportunities.

Available via official website
0086-25-86808820
Airport Technical and Industrial Park, Shiqiu Town, Lishui District, Nanjing 211222, China

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