TianJian KaiYi Chemical Factory located in Chemical park in the south of haimen bridge, TangGu, TianJin, was founded in 1997.Our factory TIANJIN KAIYI CHEMICAL FACTORY is one of exporters and biggest manufacture factory from China, we are leading producing caustic soda, which production is about more than 80,000mts in one year.we also produce soda ash ,Sodium bicarbonate, Sodium sulphate, Calcium chloride, Magnesium sulphate, Silica fume, PVC resin ,magnesium chloride, Calcium hypochlorite,Sodium sulphide, Manganese Sulphate, Sodium Benzoate, zinc Sulphate, Sodium Metabisulphite and so on. We are ISO 9001:2000 FACTORY,Our products are both excellent in quality and reasonable in price, After nearly ten years development, It has developed a comprehensive enterprise which integrates the science and technology production and management as a whole. We have established stable trade relationship with more than 20 countries and regions through the world on the equality, mutual benefit.