With a sound business credit, excellent after-sales service and modern manufacturing facilities, we have earned an excellent reputation among our customers across the world for Integral Heavy Weight Drill Pipe, Dth Drill Pipe , Seamless Carbon Steel Boiler Tube , A53 Seamless Steel Pipe ,Down The Hole Drill Pipe . 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,Indonesia , Italy ,panama , Portugal .Our product quality is one of the major concerns and has been produced to meet the customer's standards. "Customer services and relationship" is another important area which we understand good communication and relationships with our customers is the most significant power to run it as a long term business.