Based on domestic market and expand overseas business is our development strategy for China 70% Sodium Hydrosulphide Nahs and Sodiium Hydrosulfide for Dye Industry, Precipitated Barium Sulphate Barium Sulphate Precipitated , Polyacrylamide Price , Cas No 1313-82 -2 ,sodium sulphidic NA2S . We have now ISO 9001 Certification and qualified this item .in excess of 16 years experiences in manufacturing and designing, so our items featured with best quality and competitive selling price. Welcome cooperation with us! The product will supply to all over the world, such as Europe, America, Australia,Palestine , Peru ,United Kingdom , Guinea .We also have good cooperation relationships with many good manufacturers so that we can provide almost all of auto parts and after-sales service with high quality standard,lower price level and warmly service to meet demands of customers from different fields and different area.