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Reliable Supplier of Chemicals from China

Your success is our driving force. Trusted partner in Active Pharmaceutical Ingredients, Agrochemicals, Nutrition Supplements, and Specialty Chemicals.

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About Chembrook

Brook Chemical Limited, operating as Chembrook, was established in 1999 in Hong Kong and is now primarily based in Shanghai. We specialize in sourcing functional chemicals and laboratory instruments from competitive Asian manufacturers.

With over two decades of experience, we have built strong relationships with more than 100 chemical and equipment manufacturers across China and India. Our mission is to serve as a bridge between capable suppliers and global users, ensuring supply sustainability and just-in-time delivery.

Our Philosophy

We believe Honesty, Knowledge, and Communication are the essential elements for business success. We implement this philosophy in every interaction, aiming to build long-term, mutually beneficial partnerships.

Chemical Laboratory

Our Products

We offer a wide range of high-quality chemicals and laboratory equipment sourced from trusted manufacturers across Asia.

Active Pharmaceutical Ingredients

Active Pharmaceutical Ingredients

High-purity APIs for pharmaceutical manufacturing, compliant with international standards and regulatory requirements.

Agrochemicals

Agrochemicals

Effective and sustainable crop protection solutions including pesticides, herbicides, and fungicides.

Nutrition Supplements

Nutrition Supplements

Premium-grade amino acids, vitamins, and dietary ingredients for health and wellness products.

PU Industry Chemicals

PU Industry Chemicals

Polyurethane raw materials including polyols, isocyanates, and catalysts for industrial applications.

Specialty Chemicals

Specialty Chemicals

Custom-formulated chemicals for electronics, coatings, adhesives, and advanced materials.

Laboratory Equipment

Laboratory Equipment

Precision instruments and labware for research, quality control, and analytical testing.

CRO

Custom Research Synthesis

Tailored synthesis services for novel compounds, intermediates, and research chemicals.

Toll

Toll Manufacturing

End-to-end production services for clients seeking to outsource chemical manufacturing.

Sourcing

Sourcing Services

If you can't find what you need, our specialists will source it for you — fast and efficiently.

Lab

Lab Inventory Share

Shared laboratory resources and inventory management solutions for research institutions.

Our Services

Beyond supply, we offer strategic services to support your chemical production and research needs.

Custom Synthesis

We develop and produce custom molecules and intermediates tailored to your specifications, with full documentation and quality control.

Toll Manufacturing

Full-scale production of your chemical formulations using our network of certified manufacturers and strict quality oversight.

Sourcing Solutions

Our global sourcing team identifies and qualifies suppliers for hard-to-find chemicals and equipment — saving you time and cost.

Global Logistics & Just-in-Time Delivery

With local warehouse rentals and advanced logistics management, we ensure timely delivery of your critical materials anywhere in the world.

1999

Founded

25+

Years Experience

100+

Manufacturers

Global

Reach

Frequently Asked Questions

What regions do you serve?

We serve clients globally, with strong logistics networks in North America, Europe, Asia, and Australia.

Are your chemicals compliant with international standards?

Yes, our products meet or exceed regulatory requirements including USP, EP, BP, and other pharmacopeial standards where applicable.

Can you assist with custom synthesis projects?

Absolutely. Our team specializes in custom research synthesis and toll manufacturing with full technical documentation.

How do you ensure product quality?

We implement strict quality control protocols, including COA (Certificate of Analysis), batch testing, and supplier audits.

What is your sourcing process?

Our sourcing specialists identify qualified manufacturers, verify compliance, and manage logistics to deliver exactly what you need.

Get in Touch

Reach out to our team for inquiries, sourcing requests, or partnership opportunities.

Shanghai Office

Address: Floor 4, No.59 of Lane 680 Zizhou Road, Shanghai, China

TEL: +86-21-52762796, +86-21-52062290

FAX: +86-21-52062290

Email: info@chembrook.com

Postcode: 200333

Hong Kong Office

Address: Suite 907, Wing Tuck Commercial Centre, 177-183 Wing Lok Street, Hong Kong

Email: brchemical@chembrook.com

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