Sticking towards the theory of Super Good quality, Satisfactory service ,We are striving to become a superb business enterprise partner of you for Sodium Sulphide Nonahydrate, Anhydrous , idrogenosolfuro di sodio idratato , barite For Drilling ,NAHS UN 2949 . 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,Surabaya , Qatar ,Detroit , belarus .We are proud to supply our products to every costumer all around the world with our flexible, fast efficient services and strictest quality control standard which has always approved and praised by customers.