Established in 1996, Hangzhou Gangjin Chemical Co., Ltd. located in the beautiful city-Hangzhou, is one of the leading suppliers of chemicals in China,which is specialized in developing and making bentonite products and fine chemicals and Paper-Making Chemicals,owing production base. Our main business range of Bentonite products, Intermediates, Pharmacceuticals, Agro Chemicals,Dyestuffs, Food and Feed Addtives, Paper-Making Chemicals, Pigments. Over the years, the comp...