Persisting in High quality, Prompt Delivery, Competitive Price, we have established long-term cooperation with clients from both overseas and domestically and get new and old clients' high comments for rock reamer bit 40″, DOUBLE FLANGED BUTTERFLY VALVE, IBBM GATE VALVE, 3 wings step drag bit,HDD roller cone. The continual availability of high grade products in combination with our excellent pre- and after-sales service ensures strong competitiveness in an increasingly globalized market. The product will supply to all over the world, such as Europe, America, Australia,Oslo, New York,New York, Swiss.We set a strict quality control system. We have return and exchange policy, and you can exchange within 7 days after receive the wigs if it is in new station and we service repairing free for our products. Please feel free to contact us for further information and we will offer you competitive price list then.