Our company since its inception, constantly regards product or service high quality as business life, continually improve creation technology, make improvements to product high-quality and consistently strengthen business total high-quality management, in strict accordance together with the national standard ISO 9001:2000 for China CAS No.: 16721-80-5 and Industrial Grade, Sodium Hydrosulphide 70 Nahs For Tannage , Sodium Sulphide Sing Horn , Polyacrylamide Liquid ,Sodium Hydrosulphide Liquid . We sincerely look forward to hearing from you. Give us a opportunity to show you our professionalism and enthusiasm. We have been sincerely welcome excellent friends from numerous circles at dwelling and overseas occur to cooperate! The product will supply to all over the world, such as Europe, America, Australia,Ecuador , Slovenia ,Saudi Arabia , Anguilla .We are proud to supply our products and solutions to every costumer all around the world with our flexible, fast efficient services and strictest quality control standard which has always approved and praised by customers.