We are experienced manufacturer. Wining the majority of the crucial certifications of its market for China Polyacrylamide and PAM, Sodium Sulfite Anhydrous , Sodium Hydrogen Sulphide , Industrial Grade Sodium Hydrosulfide ,hidrosulfuro sódio hidratato . Items won certifications with the regional and international primary authorities. For far more detailed information, please contact us! The product will supply to all over the world, such as Europe, America, Australia,Karachi , America ,Argentina , Holland .We warmly welcome your patronage and will serve our clients both at home and abroad with products of superior quality and excellent service geared to the trend of further development as always. We believe you will benefit from our professionalism soon.