About us
Changzhou Kewei Fine Chemical Factory (KWCHEM) has been engaged in the manufacture of water treatment chemicals and intermediates for over 20 years. We specialize in corrosion and scale inhibitors, biocide-algaecides, defoamers and preformed film, which are used in industrial water-cooling circulation systems. Our organic phosphonate, polycarboxyate series is used in steel making plants, power plants, chemical plants, textile printing and dyeing plants, oil fields and more.

Our production capacity is 20,000 metric tons annually. We have also begun to manufacture reverse osmosis products for seawater last year. Another successful field of endeavor is our testosterone series (including its intermediates and derivatives) has been much lauded by our clients. We can also research and customize the above products to specific requirements.

The majority of our products are exported to North America, EU countries and Southeast Asia, all being of export quality standards and internationally competitive prices.

In addition to our investment in new manufacturing facilities, KWCHEM is continually working to improve services including up-to-the-minute information feedback, technology consultation and personalized advisory service in water treatment and specialty applications.

ISO9001 certificate certified, and utilizing advanced system processes and quality assurance testing instrumentation; we pride ourselves on top-quality service to keep our clients value guaranteed.
Business TypeManufacturer
Business RoleSupplier
Products/ServicesProduction and marketing of organic phosphine series products, phosphine carbonic acid series products, poly carbonic acid series products and bactericides, as well as the development and marketing of other fine chemicals.
OEM ServiceNo
Our MarketsWorldwide
No. of Employees101 - 500 People
No. of R&D Staff5 - 10 People
Current CustomersPetroleum, chemical, iron and steel, textile, chemical fiber, oil field and power industries.
Estimated Annual(Sales_USD)US$10 Million - US$50 Million
Export Percentage70%
Quality_ControlIn House
Year Established1985
Legal Representative(CEO)Jiang Heling
Factory LocationLongjiang Village, Riverside Chemical Development Area, New District, Changzhou City, Jiangsu Province. China
Factory Size47,000
Contact Information
Company NameChangzhou Kewei Fine Chemical Plant
Contact PersonMr. Jiang cheng yu, Miss. Jane Dong 
Company AddressRiverside Chemical Development Area in Changzhou New District, Jiangsu Province. China
Postal Code213033
Telephone Number86-519-8172210, 8172216, 8172211
Mobile Number
Fax Number86-519-8172212
WebsiteChangzhou Kewei Fine Chemical Plant, http://www.keweichem.com, http://www.bizearch.com/company/Changzhou_Kewei_Fine_Chemical_Plant_363751.htm
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