We have been experienced manufacturer. Wining the majority of the crucial certifications of its market for Sodium HydroSulphide and Na2s, Partially Hydrolyzed Polyacrylamide , NAHS UN 2949 , Sodium Hydrogen Sulfide ,Sodium Sulfite Anhydrous . We never stop improving our technique and high quality to help keep up using the enhancement trend of this industry and meet your gratification effectively. In case you are intrigued in our items, please call us freely. The product will supply to all over the world, such as Europe, America, Australia,Bulgaria , Sacramento ,San Diego , Provence .Custom orders are acceptable with different quality grade and customer's especial design. We are looking forward to establish the good and successful cooperation in business with long terms from the customers of all over the world.