Yixing City Zhongzheng Chemical Co., Ltd. (formerly Yixing No. 4 Chemical Factory) which was founded in 1976, has more than 400 staffs. She covers 10, 000 square metres and owns fixed asserts CNY100 million. She includes: YixingCity Laboratory of Fine Chemical and she is involved with research, manufacturing and trade.

We mainly produce & sale five series of fine chemicals, including dyestuff intermediate series, auxiliaries of insulation wire varnish or enamel, auxiliaries of flame retardants, non-ionic surfactant series and adhesive, etc. Among them dyestuff intermediate series have great varieties, advanced workmanship and good quality. Our company is the important production base of dyestuff intermediates in China.

THEIC-the auxiliaries of insulation wire enamel, is produced according to German institute for standardization(DIN). It's scale, quality and advanced level of technology and equipmemt are all in primacy of coterie all over the world. Bromine series and phosphorus series of auxiliaries of flame retardants; Including tribromoneopentyl alcohol (TBNPA), dibromoneopentyl glycol (DBNPG) and alkyl diphenyl phosphate are all the newest high effect auxiliaries of flame retardants with good performance.

We have strong technique, fine equipment, precision inspecting instruments and complete management, and passed ISO9001 Quality Management Systems in October, 2000.

Our company is located in the famous Taihu lake: Yixing, well-known for four specialities: Ancient Capital with Pottery, World of Caves, Sea of Bamboo Forest, Oasis of Tea. We warmly welcome all our friends, customers at domestic and overseas to give us advice and sincerely cooperation with your esteemed company.