Trusted Chemical & API Supplier from China
DONGCHEM INTERNATIONAL CO., Ltd. delivers premium chondroitin sulfate, glucosamine HCL, vitamins, and industrial chemicals with verified quality assurance and global logistics support.
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DONGCHEM INTERNATIONAL CO., Ltd. delivers premium chondroitin sulfate, glucosamine HCL, vitamins, and industrial chemicals with verified quality assurance and global logistics support.
Explore Products
DONGCHEM INTERNATIONAL CO., Ltd. is a trusted B2B supplier based in Hong Kong with operational offices in Qingdao, China and Ho Chi Minh City, Vietnam. We specialize in sourcing and exporting high-purity chemical compounds, active pharmaceutical ingredients (APIs), food and feed additives, and industrial detergents.
Our mission is to become an invaluable part of our customers’ supply chain by ensuring product quality, reducing procurement risks, and fostering long-term partnerships between global buyers and reliable Chinese manufacturers.
We build relationships with employees based on mutual responsibility and trust, promoting sustainable development and professional growth.
We collaborate with the best factories in China to ensure only high-quality products reach your facility, minimizing trade disputes and compliance risks.
We offer a comprehensive portfolio of chemical raw materials, APIs, and industrial supplies sourced from certified Chinese manufacturers.
High-purity sodium chondroitin sulfate for nutraceutical and pharmaceutical applications. BSE/TSE-free, USP/BP compliant.
Pharmaceutical-grade glucosamine hydrochloride. Ideal for joint health supplements. High solubility and stability.
Stabilized ascorbic acid with protective coating for extended shelf life. Suitable for animal feed and dietary supplements.
High-purity folic acid (Vitamin B9) for pharmaceutical and fortified food applications. Meets international standards.
Food-grade citric acid with consistent crystal size and low moisture content. Widely used in beverages and pharmaceuticals.
Anhydrous form ideal for dry mixes, effervescent tablets, and applications requiring low moisture content.
High-foaming surfactant for shampoos, body washes, and cleaning products. Stable viscosity and excellent performance.
Industrial-grade sodium carbonate used in glass, detergent, and chemical manufacturing. High bulk density and low dust.
Custom synthesis and supply of active pharmaceutical ingredient intermediates with strict quality control and documentation.
Vitamins, amino acids, and trace minerals for animal nutrition. Compliant with feed safety regulations.
Specialty cleaning agents for industrial equipment, CIP systems, and manufacturing processes. Biodegradable options available.
Supply of pumps, gearboxes, motors, generators, and casting products for industrial applications.
We go beyond supply to ensure your procurement from China is secure, efficient, and risk-free.
With deep industry knowledge and an extensive network across China, we match your specifications with the most suitable manufacturers.
15+
Years in Business
300+
Verified Suppliers
60+
Global Clients
99.8%
On-Time Delivery
Our partner factories are ISO 9001, GMP, and HACCP certified. We provide COA, MSDS, and other compliance documents upon request.
Yes, we offer free samples for evaluation. Shipping costs may apply depending on destination.
Lead time is usually 2–4 weeks after order confirmation, depending on product and quantity. We provide real-time updates.
Yes, we support OEM packaging and labeling for qualified orders. MOQs apply.
We conduct third-party lab testing if discrepancies arise. Our team mediates to ensure fair resolution and customer satisfaction.
Reach out to our team for product inquiries, quotes, or supplier verification services.
(0532) 8097 9626
andydong1123
FLAT/RM 1911 LEE GARDEN ONE, 33 HYSAN AVENUE, CAUSEWAY BAY, Hong Kong
Room 606, No.2 Building, New Hope Liuhe Industrial Park, No.592-26 Jiushui East Rd., Laoshan District, Qingdao, China
T LE THANH TONG ROAD, TAN HANH QUARTER, PHU MY WARD, HO CHI MINH CITY, VIETNAM
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