Our enterprise since its inception, constantly regards product good quality as organization life, constantly improve production technology, strengthen merchandise high quality and continuously strengthen enterprise total good quality administration, in strict accordance with all the national standard ISO 9001:2000 for Sodium HydroSulphide and Na2s, Caustic Soda Flakes/Solid/Pearl , Sodium Hydrosulphide 70 Nahs For Tannage , Polyacrylamide Powder ,Sodium Hydrosulfide For Leather Unhairin . Through more than 8 years of business, we have accumulated rich experience and advanced technologies in the production of our products. The product will supply to all over the world, such as Europe, America, Australia,Iceland , Thailand ,Finland , Nepal .Our tenet is integrity first, quality best. Now we have confidence in providing you with excellent service and ideal merchandise. We sincerely hope we can establish win-win business cooperation with you in the future!