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Chemistry Makes Life Better

Pioneering chemical innovation since 1998 — delivering quality, sustainability, and customized solutions worldwide.

Explore Our Products

About Junwee

Founded in 1998 in Hangzhou, China, Junwee has evolved into a trusted global supplier of high-quality chemical products. In 2002, we began our journey in chemical development and production, building a strong foundation for innovation and reliability.

Today, we operate two advanced production sites and a dedicated research laboratory. We maintain long-term partnerships with over 100 Chinese factories, continuously expanding our network to meet diverse customer demands across 38+ countries.

1998
Founded
38+
Exported Countries
ISO 9001
Certified
100+
Factory Partners
Junwee Chemical Facility

Our Vision

"Transcend yourself. Move forward bravely."
"Chemistry makes life better!"

We believe in the transformative power of chemistry — to improve health, enhance materials, and protect our planet. As glaciers melt and climate patterns shift, we are committed to sustainable practices that reduce environmental impact and promote responsible innovation.

Products & Applications

ISO 9001 certified quality management ensures reliability across our product lines. We serve industries ranging from pharmaceuticals to food, materials, and advanced manufacturing.

Fine Chemicals

Fine Chemicals

High-purity intermediates and specialty compounds for pharmaceutical, agrochemical, and electronic applications.

  • • Custom synthesis available
  • • Gram to tonnage scale
  • • Strict QC protocols
Organic Silanes

Organic Silanes

Coupling agents and surface modifiers used in adhesives, coatings, composites, and sealants.

  • • Hydrolyzable functional groups
  • • Enhances adhesion & durability
  • • Stable storage & handling
Food Additives

Food Additives

Safe, regulatory-compliant additives for flavor enhancement, preservation, and texture modification.

  • • Meets food safety standards
  • • Global regulatory compliance
  • • Batch traceability
API

Active Pharmaceutical Ingredients (API)

High-purity APIs and intermediates for drug development and manufacturing.

  • • cGMP standards
  • • Full documentation support
  • • Scalable production
Custom Synthesis

Custom Synthesis

Tailored chemical development from concept to commercial scale.

  • • Route scouting & optimization
  • • Process safety evaluation
  • • Intellectual property protection
Industrial Chemicals

Industrial Chemicals

Reliable bulk chemicals for manufacturing, water treatment, and material processing.

  • • Competitive pricing
  • • Consistent quality
  • • Global logistics support
Silane Coupling Agents

Silane Coupling Agents

Improve interfacial adhesion between organic polymers and inorganic substrates.

  • • Amino, epoxy, vinyl functional
  • • For composites & coatings
  • • Long shelf life
Specialty Intermediates

Specialty Intermediates

Complex molecules for advanced material and life science applications.

  • • Multi-step synthesis
  • • High purity & yield
  • • Regulatory documentation
View Full Product Catalog

Quality & Sustainability

Junwee is certified to ISO 9001 and continuously improves its Quality Management System (QMS). We conduct comprehensive supplier qualification audits covering ISO compliance, legal standing, production processes, quality control, inventory management, cost efficiency, and sustainability.

We are committed to environmental protection and responsible chemical management. Our compliance programs ensure adherence to international regulations and promote green chemistry principles across our supply chain.

  • ISO 9001 Certified
  • Sustainable Supply Chain
  • Environmental Protection
  • Regulatory Compliance
Sustainable Chemistry

R&D & Customized Production

From concept to commercialization, Junwee offers end-to-end customized chemical production supported by a professional technical team and research collaborations.

R&D Lab
  • 1

    Product Evaluation

    Initial feasibility and technical assessment based on customer requirements.

  • 2

    Research & Development

    Route design, optimization, and small-scale synthesis in our laboratory.

  • 3

    Pilot Production

    Scale-up to kilo-lab or pilot plant for process validation.

  • 4

    Industrial Production

    Full-scale manufacturing with strict quality control and ISO compliance.

Get in Touch

For product inquiries, quotations, or partnership opportunities, reach out to us directly.

Email: [email protected]
Phone: +86-571-85808637 / 85808636
Address: 5/F, Bldg. 8-B, Xigang Xinjie, 206 Zhenhua Rd., Xihu District, Hangzhou 310030, China

We respond to all inquiries within 24 hours.

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