Our firm sticks to the basic principle of Quality is the life of your company, and status will be the soul of it for Hydrosulfide Liquid 32% /40%, NAHS UN 2949 , HS CODE No.28301090 , Polyacrylamide Pam ,Chemical Formula Sodium Sulfide . We just not only deliver the high-quality to our customers, but far more even important is our greatest service along with the competitive price tag. The product will supply to all over the world, such as Europe, America, Australia,Surabaya , Malaysia ,Slovenia , Mexico .Our products are widely recognized and trusted by users and can meet continuously changing of economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!