Every member from our high efficiency sales team values customers' needs and business communication for tricone drill iadc127 149mm, mill tooth bit 6", drilling rig bit iadc217, 311mm bits for well drilling,ASTM A536 65-45-12 GATE VALVE. We welcome an opportunity to do business with you and hope to have pleasure in attaching further details of our products. The product will supply to all over the world, such as Europe, America, Australia,Porto, Lyon,Portland, Saudi Arabia.Strict quality control is executed in each link of the whole production process.We sincerely hope to establish the friendly and mutual-beneficial cooperation with you. Based on high quality products and perfect pre-sales /after-sales service is our idea, some clients had cooperated with us for more than 5 years.