We believe that long time period partnership is a result of top of the range, value added services, rich expertise and personal contact for 6-5/8 X 6-5/8, 1 Inch Drill Bit, Drill Stem Safety Valve, Die Collar Taper Tap,Pipe Joint Coupling. Our professional technical team will be wholeheartedly at your service. We sincerely welcome you to visit our website and company and send us your inquiry. The product will supply to all over the world, such as Europe, America, Australia,Munich, Wellington,Vietnam, Argentina.There are advanced producing & processing equipment and skilled workers to ensure the products with high quality. We have found an excellent before-sale, sale, after-sale service to ensure the customers that could rest assured to make orders. Until now our products are now moving on fast and very popular in South America, East Asia, the Middle east, Africa, etc.