continue on to further improve, to make sure product top quality in line with market and consumer standard requirements. Our firm has a excellent assurance program have already been established for China 70% Sodium Hydrosulphide Nahs and Sodiium Hydrosulfide for Dye Industry, Anhydrous , Sodium Hydrogen Sulphide , Sulfide material ,hydrate of sodium . Our company warmly welcome friends from all over the world to visit, investigate and negotiate business. The product will supply to all over the world, such as Europe, America, Australia,panama , Egypt ,Rome , Algeria .With the aim of compete with good quality and develop with creativity and the service principle of take customers' demand as orientation, we will earnestly provide qualified products and good service for domestic and international customers.