HDGI Steel Strip HDGI steel strip have a very strong corrosion resistance and ... spangle, non-spangleSurface TreatmentChromate, Oil, Lacquer Seal, Phosphating, etc Application:HDGI steel strip products are mainly used in construction, light industry ... C-Beam, Galvanized Steel Coil, Hot Rolled Steel Plate, Cold Rolled Steel Plate, Mild Steel Plate, Structure Steel, difference kind of pipes, Galvanized ...