Our enterprise since its inception, usually regards product top quality as business life, repeatedly enhance manufacturing technology, make improvements to product excellent and continuously strengthen enterprise total high quality administration, in strict accordance with all the national standard ISO 9001:2000 for China CAS No.: 16721-80-5 and Industrial Grade, strength of NAHS fluid , Sodium Penta Sulphide , Chemical Formula Caustic Soda ,Sodium Sulphide Chemical Formula . Welcome buddies from all over the earth come to visit, tutorial and negotiate. The product will supply to all over the world, such as Europe, America, Australia,Bangalore , Boston ,Toronto , Kuala Lumpur .With more and more Chinese products and solutions around the world, our international business is developing rapidly and economic indicators big increase year by year. We have enough confidence to supply you both better solutions and service, because we've been more and more powerful, specialist and experience in domestic and international.