Tianjin KaiYi Chemical Factory, located in Chemical Park in the south of Haimen Bridge, Tanggu, Tianjin, was founded in 1997. We are one of the professional manufacturers and exporters of sodium hydroxide / caustic soda flakes / solid / pearls; soda ash light / sodium bicarbonate; sodium sulphate anhydrous; calcium chloride flakes / granule / powder; magnesium chloride; magnesium sulphate heptahydrate; indigo granular / powder; sodium pyrosulfite (sodium metabisulphite), sodium sulfite (ammonium chloride); silica fumed, and marble / granite. After nearly ten years' development, our annual sales volume is up to 80, 000 tons for caustic soda and sales amount exceeds ten million Yuan. We have developed into a comprehensive enterprise which integrates science and technology, production and management. We have built two subsidiary companies, which are Tianjin Xingfuquan Chemical Commerce Co., Ltd. and Hong Kong Kaiyi International Trade Co., Limited. Moreover, we have established stable trade relationships with customers from more than 40 countries and regions based on equality and mutual benefit.