1.Hot dipped galvanized steel coils ( GI ) Surface: chromated, unoiled, tension-levelled, skin-passed, Spangle: minimum spangle or no spangle Coat...
1. Pre-painted galvanized steel coils ( PPGI ) Base matal: hot dipped galvanized steel coils, Coils ID: 508mm or 610mm Thickness: 0.2mm ~ 1.5mm , ...