Well-run equipment, professional sales team, and better after-sales services; We are also a unified big family, everyone stick to the company value unification, dedication, tolerance for China CAS No.: 16721-80-5, Sodium Hydrogen Sulphide , Sodium Polyacrylamide , Sodium Hydrosulphide 10/20/30ppm ,Na2s Manufacturer . Welcome to set up long-term relationship with us. Best Price For Good Quality in China. The product will supply to all over the world, such as Europe, America, Australia,El Salvador , Oman ,Amsterdam , Marseille .During the development, our company has built a well-known brand. It is well highly acclaimed by our customers. OEM and ODM are accepted. We are looking forward to customers from all over the world to join us to a wild cooperation.