Sincerity, Innovation, Rigorousness, and Efficiency is the persistent conception of our firm for the long-term to create jointly with consumers for mutual reciprocity and mutual reward for China Barite and Barytes, Barium Sulphate Molecular Formula , Sodium sulfide(Na2s) , Cas No. 1310-73-2 ,natriumsulfid hydratiserad natriumsulfidi kidevettäsisältavä . All prices depend upon the quantity of your order; the more you order, the more economical the price is. We also offer good OEM service to many famous brands. The product will supply to all over the world, such as Europe, America, Australia,Eindhoven , Mauritius ,Costa rica , Surabaya .High output volume, top quality, timely delivery and your satisfaction are guaranteed. We welcome all inquiries and comments. If you are interested in any of our products or have an OEM order to fulfill, please feel free to contact us now. Working with us will save you money and time.