Changzhou Kewei Fine Chemical Factory( KWCHEM ) have always been engaged in manufacture of water treatment chemicals, steroids hormones and intermediates for over 20 years. We specialize in corrosion and scale inhibitor, biocide-algaecide, defoamer and preformed film which are used in industrial cool circulation water system. The organic phosphonate, polycarboxyate series are used in steel making plant, power plant, chemical plant, textile printing and dyeing plant and oil field, etc. Our total  capacity is 20000 metric tons annually. We also began to manufacture reverse osmosis series for seawater last year. Our another field of activity is steroid hormones. Testosterones series including its intermediates & derivatives, for example, enjoy high reputation from our clients. Besides, we also research and customize the above products according to your requirements. Most of our products are exported to North America, EU countries and Southeast Asia with high quality and reasonable price. 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 speciality application..

ISO9001 certificate certified, the advanced process, the complete testing instrument, the sincere service keep our clients value guaranteed .