Quality very first, Honesty as base, Sincere assistance and mutual profit is our idea, in an effort to create consistently and pursue the excellence for NAHS UN 2949, Sodium Sulphide Nonahydrate , Water treatment Nash Liquid , Sodium Hydrosulfide Chemical Formula ,Permanent White Sulphate . Our aim is to help customers realize their goals. We are making great efforts to achieve this win-win situation and sincerely welcome you to join us. The product will supply to all over the world, such as Europe, America, Australia,Peru , Turkmenistan ,New Zealand , New York .We've customers from more than 20 countries and our reputation has been recognized by our esteemed customers. Never-ending improvement and striving for 0% deficiency are our two main quality policies. Ought to you want anything, don't hesitate to contact us.