Tianjin Xinxin Biotechnology Research and Development Center (primitive name is Tianjin Xinxin Chemical Factory) ,which was built in 1996, is the quality and multiple-producing enterprise specialized in researching, producing and selling chemicals. We are mainly producing Zinc Sulphate,Magnesium Sulphate and Ferrous Sulphate etc,our annual capacity has reached more than 10,000 Tons. With more than 2 decades steady development ,we have established and merged another 4 factories to produce Trichloroisocyanuric Acid, Calcium Hypochlorite ,Copper Sulphate,Manganese Sulphate and Ammonium Sulphate etc and produce Special Steel Pipes and expand the hot galvanized business, Meanwhile we set up trading company of Tianjin Jingxiangtai Imports and Exports Trade Limited Company to serve domestic and overseas customer. So far,our whole factories have the total capital of RMB 100millions and around 70 staffs,with total areas of 28,000 square meters, possesses a famous brand of "XINLIDA", our product quality management systems has been certified by GB/T19001-2015/ISO9001:2015, "Quality is fundamental, Credibility is this "is always our development purpose.