HDG,PPGI,GA,GI steel coil GL 1.Thickness :0.15-1.2mm Wdith :, ... 2.Alumiun -Zinc Coated 55% ,anti -finger HDG,PPGI,GA,GI steel coil GLAluminum Zinc Coated Steel CoilZincalume Steel Coil ,Galvalume ... and edge will cause dent and scratches. HDG,PPGI,GA,GI steel coil GL