Our progress depends around the innovative machines, great talents and consistently strengthened technology forces for Tricone Rock Bit, Tricone Rock Roller Bits , 3 1/2 Drill Pipe , 75mm Drill Bit ,Api Water Well Drilling Rigs Drill Pipe . Welcome to visit our firm and factory. Be sure to come to feel free to get in touch with us in case you need any additional assistance. The product will supply to all over the world, such as Europe, America, Australia,Iraq, Islamabad,Norway, El Salvador.Being guided by customer demands, aiming at improving the efficiency and quality of customer service, we constantly improve products and provide more comprehensive services. We sincerely welcome friends to negotiate business and start cooperation with us. We hope to join hands with friends in different industries to create a brilliant future.