Quality first, Honesty as base, Sincere service and mutual profit is our idea, in order to develop continuously and pursue the excellence for 6.5″tricone pilot bit, drag bit factory, ASTM A536 65-45-12 BUTTERFLY VALVE, IADC517 tricone dirll bit,Tricone drilling IADC437. Adhering to the business enterprise philosophy of 'customer first, forge ahead', we sincerely welcome consumers from at your home and abroad to cooperate with us provide you great services! The product will supply to all over the world, such as Europe, America, Australia,Macedonia, Nepal,Macedonia, Mexico.Our factory covers an area of 12,000 square meters, and has a staff of 200 people, among which there are 5 technical executives. We are specialized in producing.We have rich experience in export. Welcome to contact us and your enquiry will be replied as soon as possible.