We stick with the theory of "quality first, company first, steady improvement and innovation to satisfy the customers" for the management and "zero defect, zero complaints" as the quality objective. To perfect our provider, we deliver the items together with the fantastic good quality at the reasonable value for 6 58 Drill Pipe, S135 Drill Pipe , Premium Connection Thread Protector , Astm A335 Alloy Steel Pipe ,Water Well Drilling Pipe . We sincerely welcome overseas customers to consult for the long-term cooperation and the mutual development. The product will supply to all over the world, such as Europe, America, Australia,French , Mexico ,Zurich , Belarus .With its rich manufacturing experience, high-quality products, and perfect after-sale service, the company has gained good reputation and has become one of the famous enterprise specialized in manufacturing series.We sincerely hope to establish business relation with you and pursue mutual benefit.