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High-Purity, Food-Grade Chitosan Solutions for Pharmaceuticals, Agriculture, Cosmetics & More — Manufactured in China Since 2002

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Qingdao Yunzhou Factory

About Qingdao Yunzhou Biochemistry

Founded in 2002, Qingdao Yunzhou Biochemistry Co. Ltd. is the largest manufacturer of chitosan and chitosan derivatives in China. Based in Jimo, Qingdao, our strategically located facility provides seamless access to Qingdao Port, enabling efficient global distribution.

We control the entire production chain — from raw materials like shrimp and crab shells to final high-purity chitosan products. This vertical integration ensures consistent quality, competitive pricing, and reliable supply.

With an annual production capacity of 400–500 metric tons of chitosan, we serve clients across North America, Japan, Korea, Europe, and beyond.

Our Core Values

Professional

Expertise in manufacturing chitosan, chitosan oligosaccharide, and related products from raw materials.

Quality

High-purity, food-grade products with competitive pricing and strict quality control.

Service

Trusted by international clients for responsive, reliable, and customer-focused support.

Innovation

Continuous R&D and customization to meet unique customer requirements and applications.

Our Product Range

We offer a comprehensive portfolio of chitosan-based products for diverse industrial and commercial applications.

Chitosan

High molecular weight chitosan derived from crustacean shells. Ideal for pharmaceutical, agricultural, and water treatment applications.

  • Grade: Food & Pharmaceutical
  • Degree of Deacetylation: ≥85%
  • Solubility: Soluble in weak acids
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Chitosan Oligosaccharide

Low molecular weight chitosan with enhanced solubility and bioavailability. Used in nutraceuticals, cosmetics, and plant health.

  • Molecular Weight: 1,000–5,000 Da
  • Solubility: Water-soluble
  • Purity: ≥90%
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Water Soluble Chitosan

Modified chitosan with excellent water solubility. Perfect for cosmetic formulations and functional beverages.

  • Solubility: Fully water-soluble
  • pH Range: 3–8
  • Applications: Skincare, oral care, drinks
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D-Glucosamine Series

High-purity glucosamine HCl and sulfate for joint health supplements and pharmaceuticals.

  • Forms: HCl, Sulfate, N-Acetyl
  • Purity: ≥99%
  • Grade: Pharmaceutical & Nutraceutical
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Fish Collagen

Type I collagen peptides from marine sources. Ideal for anti-aging cosmetics and health supplements.

  • Molecular Weight: 1,000–3,000 Da
  • Solubility: Cold water soluble
  • Source: Fish skin & scales
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Chitosan Fiber & Knitted Fabrics

Antibacterial, biodegradable chitosan fibers and textiles for medical, hygiene, and functional apparel.

  • Features: Antimicrobial, hypoallergenic
  • Applications: Wound dressings, masks, underwear
  • Custom Weaving: Available
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Seed Treatment Chitosan

Specialty chitosan formulation to enhance seed germination, root development, and disease resistance.

  • Application: Seed coating
  • Benefits: Improved yield, natural defense
  • Compatibility: Organic farming
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Tobacco Chip-Paste Chitosan

Functional chitosan used in tobacco processing to improve texture, moisture retention, and burning properties.

  • Form: Powder or paste
  • Function: Binder, humectant
  • Compliance: Industry standards
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Industry Applications

Our chitosan products serve a wide range of sectors with proven performance and safety.

Pharmaceuticals

Nutraceuticals

Food Additives

Chemical

Agriculture

Textile

Cosmetics

Feed Additives

Why Choose Us?

2002

Founded

30+

Product Categories

20+

Patents & IP

20+

Countries Served

10+

Application Fields

Frequently Asked Questions

What is chitosan used for?

Chitosan is used in pharmaceuticals, agriculture (seed treatment), food additives, cosmetics, textiles, and water purification due to its biodegradability, biocompatibility, and antimicrobial properties.

Is your chitosan food grade?

Yes, we produce food-grade and pharmaceutical-grade chitosan that meets international safety and purity standards.

Can you customize chitosan products?

Yes, we offer customization in molecular weight, degree of deacetylation, solubility, and formulation based on client requirements.

What is the minimum order quantity?

MOQ varies by product. Please contact us for specific details based on your needs.

Get in Touch

Contact Qingdao Yunzhou Biochemistry Co. Ltd. for product inquiries, samples, or custom solutions.

Contact Information

Address: No.27 Huiheng Rd, Huanbao Industry Zone, Jimo, Qingdao, Shandong, China 266200

Phone: +86-532-81702777 (International Department)

Mobile: +86-15692329737

Email: [email protected], [email protected]

Website: chitosansupplier.com

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