ChangZhou Kewei Fine Chemical Co., Ltd. (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. 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.