Gi; PPGI manufacturer / supplier in China, offering Guanxian Strip Roofing Sheet PPGI G350 G550 Dx51 SPCC SPHC Zinc Color Coated Cold Rolled Hot Dipped PPGL Color Aluzinc Prepainted Galvalume Steel Coil, Guanxian Prime G550 26 Gauge Gl Aluminum Zinc Aluzinc 5-10 Mt Coil Weight Galvalume 55% Al-Zn Alloy Coated Steel Sheet in Coil, Guanxian Factory Price Embossed Prepainted Gi Gl 0.37-3.0 mm Thickness Galvalume Aluzinc Magnesium Aluminum Zinc Narrow Belt Steel Coil and so on.