Sincerity, Innovation, Rigorousness, and Efficiency will be the persistent conception of our company to the long-term to establish together with customers for mutual reciprocity and mutual gain for mining, HS CODE 283010 , Sodium Hydrosulphide 70 Nahs For Tannage , Sodium Hydrogen Sulfide ,Poly(2-Propenamide) . We sincerely welcome overseas buyers to consult for that long-term cooperation as well as the mutual progress. The product will supply to all over the world, such as Europe, America, Australia,America , Zurich ,Egypt , Israel .Our monthly output is more than 5000pcs. We have set up a strict quality control system. Please feel free to contact us for further information. We hope that we can establish long-term business relationships with you and carry out business on a mutually beneficial basis. We are and will be always trying our best to serve you.