Based on domestic market and expand overseas business is our development strategy for rotary roller cone bit iadc216 6.75″, DOUBLE OFFSET BUTTERFLY VALVE, IADC617 6" tricone bit, tricone bit fatory,CAST IRON CHECK VALVE. If you are looking for Good Quality at a good price and timely delivery. Do contact us. The product will supply to all over the world, such as Europe, America, Australia,Norway, Oman,Oman, Latvia.We provide OEM services and replacement parts to meet the varying needs of our customers. We give competitive price for quality solutions and we are going to make certain your shipment is handled quickly by our logistics department. We sincerely hope to have the opportunity to meet with you and see how we can help you further your own business.