Our aim is usually to give superior quality items at aggressive rates, and good -notch company to clients around the earth. We have been ISO9001, CE, and GS certified and strictly adhere to their good quality specifications for steel tooth bits factory 17 1/2″, IADC617 152mm drilling bit, pdc bit 8.5" price, TCI 250mm tricone bit,HDD rig pilot bit. Making the Products of High Quality is the eternal goal of our company. We make unremitting efforts to realize the goal of We Will Always Keep in Pace with the Time. The product will supply to all over the world, such as Europe, America, Australia,Myanmar, St. Petersburg,Seattle, Bulgaria.What You Need Is What We Pursue.We are sure our products will bring you first class quality.And now sincerely hope to promote partner friendship with you from all over the world. Let's joint hands to cooperate with mutual benefits!