We will devote ourselves to providing our esteemed customers with the most enthusiastically thoughtful services for NAHS UN 2949, HS CODE No.28301090 , NAHS UN 2949 , Sodium sulfide ,Sodium hydrosulphide reagent . We look forward to receiving your enquires soon and hope to have the chance to work together with you inside the future. Welcome to take a look at our organization. The product will supply to all over the world, such as Europe, America, Australia,Portland , Indonesia ,New Zealand , Florida .we sincerely hope to establish a good and long-term business relationship with your esteemed company through this opportunity, based on equality, mutual benefit and win-win business from now to the future. Your satisfaction is our happiness.