We generally believe that one's character decides products' top quality, the details decides products' high-quality ,along with the REALISTIC,EFFICIENT AND INNOVATIVE team spirit for 12 diameter galvanized corrugated pipe, Astm A53 Steel Pipe, Fire Sprinkler Steel Pipe, Weight Of Gi Pipe,Cs Galvanized Steel Pipe. Competitive price with high quality and satisfying service make us earned more customers.we wish to work with you and seek common development. The product will supply to all over the world, such as Europe, America, Australia,The Swiss, Norway,South Korea, Singapore.We have 48 provincial agencies in the country. We also have stable cooperation with several international trading companies. They place order with us and export products to other countries. We expect to cooperate with you to develop a larger market.