Our company since its inception, always regards product quality as enterprise life, continuously improve production technology, improve product quality and continuously strengthen enterprise total quality management, in strict accordance with the national standard ISO 9001:2000 for China CAS No.: 16721-80-5 and Industrial Grade NAHS, Sodium Hydrogen Sulphide , Sodium Bisulfide , Barium Sulphate for Ink ,polyacrylamide concentration . To learn more about what we can easily do in your case, make contact with us at any time. We glance forward to developing superior and long-term organization interactions along with you. The product will supply to all over the world, such as Europe, America, Australia,Kuwait , Myanmar ,Austria , Italy .We will do our utmost to cooperate & satisfied with you relying on top-grade quality and competitive price and best after service ,sincerely look forward to cooperating with you and make achievements in the future!