With the Client-Oriented business philosophy, a rigorous quality control system, advanced manufacturing equipment and a strong R&D team, we always provide high quality products, excellent services and competitive prices for 70% Sodium Hydrosulphide/Sodium Hydrosulfide, Sodium Sulphide Solution Preparation , Anhydrous , Sodium Hydrosulfide Formula ,Sodium Hydrosulphite liquid for leather . If you are interested in any of our products, please feel free to contact us for more details. We hope to cooperate with more friends from all over the world. The product will supply to all over the world, such as Europe, America, Australia,Bulgaria , European ,Russia , Kenya .Our domestic website's generated over 50, 000 purchasing orders every year and quite successful for internet shopping in Japan. We would be happy to have an opportunity to do business with your company. Looking forward to receiving your message !