GUIZHOU SINO-PHOS CHEMICAL CO., LTD. is one of the leading manufacturers and exporters of phosphoate chemicals in China.who obtained ISO9001 CERTIFICATE and ISO14001 CERTIFICATE. At present, our products are exported to over 50 countries and areas.We have our own plants manfacturing Yellow Phosphorus(50, 000MT/a), Phosphoric Acid(50, 000MT/a), Sodium Tripoly phosphate(100, 000MT/a), Sodium Hexameta phosphate(10, 000MT/a), Ferro Phosphorus(6, 000MT/a), and other phosphate chemical ***** main products are as follows: 1> Yellow Phosphorus 99.9%min2> Phosphoric Acid 85%3> Sodium Tripoly Phosphate 94%min 4> Sodium Hexameta Phosphate 68%min 5> Ferro Phosphorus6> Tri Sodium Phosphate 98%