"Sincerity, Innovation, Rigorousness, and Efficiency" may be the persistent conception of our organization for that long-term to establish jointly with customers for mutual reciprocity and mutual gain for Petroleum Facility, Short Threaded Coupling, 20 Casing Coupling Exporter, Professional P110 Coupling Manufacturer,Casing Couplings For Drilling Pipes. We are seeking for extensive cooperation with honest customers, achieving a new cause of glory with customers and strategic partners. The product will supply to all over the world, such as Europe, America, Australia,Karachi, Ecuador,Thailand, Estonia.We always adhere to follow the honesty, mutual benefit, common development, after years of development and the tireless efforts of all staff, now has perfect export system, diversified logistics solutions, thorough meet customer shipping, air transport, international express and logistics services. Elaborate one-stop sourcing platform for our customers!