We always believe that one's character decides products' quality, the details decides products' high-quality ,together with the REALISTIC,EFFICIENT AND INNOVATIVE crew spirit for Sodium Hydrosulfide and Sodium Hydrosulphide, Sodium Sulphide Nonahydrate , Partially Hydrolyzed Polyacrylamide , Chemical Formula Sodium Sulfide ,strength of NAHS fluid . We are one of the largest 100% manufacturers in China. Many large trading companies import products from us, so we can give you the best price with the same quality if you are interested in us. The product will supply to all over the world, such as Europe, America, Australia,Iran , Bangladesh ,Mali , Japan .Our product quality is one of the major concerns and has been produced to meet the customer's standards. Customer services and relationship is another important area which we understand good communication and relationships with our customers is the most significant power to run it as a long term business.