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 NAHS UN 2949, Sodium Hydrosulfide Msds , Sodium Sulphide Hydrate , China Na2s 52% ,Naoh Caustic Soda . We are very proud of the good reputation from our customers for our products' reliable quality. The product will supply to all over the world, such as Europe, America, Australia,Surabaya , Iceland ,Lebanon , Israel .We are adhering to the philosophy of attracting customers with the best products and excellent service. We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.