Tianjin Xingwei chemical Co., Ltd provides phosphorous chemicals, dyestuffs and pigments & carbon black series. Our phosphorous chemicals include phosphoric acid, sodium tripolyphosphate, sodium hexametaphosphate, trisodium phosphate and anhydrous trisodium phosphate. Sodium Metabisulfite is mainly used in food processing industry for sterilizing preservatives. It is also widely used in organic synthesis, pharmaceutical, printing and other industries. We provide zinc oxide for paint, printing ink, rubber, cable, medicines, electronics, paper making, enamel, match, cosmetic and other chemical industry application.