PPGI/PPGL, Alloy Series manufacturer / supplier in China, offering GB8163 Thick Wall/Large Diameter Seamless Steel Pipe Fluid Pipe, SGCC Gi Hot Dipped Galvanized Steel Sheet Cold Rolded Galvanized Steel Sheets Gi Galvanized Steel Strip Coil, ASTM A653/A653m Ss340 1/2/3 ASTM Structural Steel Zinc Layer 40-275g Hot-DIP Galvanized Steel Sheet/Hot-DIP Galvanized Steel Coil and so on.