We stick to our enterprise spirit of "Quality, Efficiency, Innovation and Integrity". We aim to create more value for our customers with our rich resources, advanced machinery, experienced workers and excellent services for By-pass Assembly for Downhole Motor, Oil And Gas Drilling Equipment , Double Ram Blowout Preventer , Chain Pipe Wrench4 Pipe Wrench ,Cobalt Drill Sets . We have ISO 9001 Certification and qualified this product .over 16 years experiences in manufacturing and designing, so our products featured with best quality and competitive price. Welcome cooperation with us! The product will supply to all over the world, such as Europe, America, Australia,Norway, Qatar,Czech, Moldova.We are proud to supply our products to every costumer all around the world with our flexible, fast efficient services and strictest quality control standard which has always approved and praised by customers.