guang qu road ,beijing hebei, hebei
We are one of leading professionally manufacturer carbon steel pipe in China. have much superiority following products. Carbon Steel Pipe: 1.Seamless for general use: ASTM A 53 GR.B, Grade: SA53B and specication O.D:1/2"-28",21.34 -711.2mm ...
seamless steel pipe, erw pipe, galvanized steel pipe