Tianjin Saiwosi Chemical Co., Ltd. (SWS CHEM) is located in the biggest seaport-Tianjin of North China. Our products are used in variety of industries, such as leather, pigment, rubber, glass, metallurgy, water-treatment, pharmaceutical industries. Our strong intems are soda ash, caustic soda, STPP, titanium dioxide, formic acid, acetic acid, barium carbonate, zinc oxide, iron oxide, carbon black, TCCA, PAC, PAM, aluminium sulphate and so on. With continual entrepreneurial spirit and perfect technology, advanced production line and abundant technical team, SWS has already grown into one of the leading exporter/manufacturer of chemical raw material companies in China. SWS CHEM sincerely hope to know more friends to acheive mutal-benefit and long-term cooperation. Please don't hesitate to contact with us if you any inquery. We'll support you with our high quality products at best price.