Our firm since its inception, normally regards item top quality as company life, constantly make improvements to generation technology, improve product excellent and repeatedly strengthen organization total good quality management, in strict accordance with the national standard ISO 9001:2000 for Aluminum Alloy Coupling, Wedge Gate Valve, Wedge Gate Valve, U Type Butterfly Valve,Socket End Gate Valve. We have been also the appointed OEM manufacturing unit for several worlds' famous merchandise brands. Welcome to contact us for more negotiation and cooperation. The product will supply to all over the world, such as Europe, America, Australia,Thailand, Guatemala,New Zealand, Philippines.We have been in operation for more than 10 years. We are dedicated to quality products and consumer support. We currently own 27 product utility and design patents. We invite you to visit our company for a personalized tour and advanced business guidance.