Our well-equipped facilities and great good quality regulate throughout all stages of manufacturing enables us to guarantee total buyer gratification for steel tooth bit 6.5″, GG25 GATE VALVE, drilling rig PDC bit, roller cone factory,tricone drill. We welcome you to visit our factory and look forward to establishing friendly business relationships with customers at home and abroad in the near future. The product will supply to all over the world, such as Europe, America, Australia,Philippines, Lyon,Benin, Philippines.Taking the core concept of to be the Responsible. We'll redound up on society for high quality merchandise and good service. We will initiative to participate in international competition to be a first- class manufacturer of this product in the world.