Our enterprise since its inception, constantly regards product good quality as organization life, constantly improve production technology, strengthen merchandise high quality and continuously strengthen enterprise total good quality administration, in strict accordance with all the national standard ISO 9001:2000 for Sodium Sulphide Red And Yellow Flakes, Barite Drilling Fluid , Hydroxide Anions , Sodium Sulphide Nonahydrate ,Sodium Hydrosulphide . We put honest and health as the primary responsibility. We have a professional international trade team which graduated from America. We are your next business partner. The product will supply to all over the world, such as Europe, America, Australia,Malawi , Uzbekistan ,Argentina , Mexico .We will supply much better products with diversified designs and professional services. We sincerely welcome friends from over the world to visit our company and cooperate with us on the basis of long-term and mutual benefits.