... making, fusion casting, extrusion, quenching, artificial aging, anodic oxidation, insulation composite, electrostatic spraying, etc. Surface Treatment wiredrawing, sandblasting, oxidation, coloration, spraying ... of sheets/coil (like Galvanized Steel Plate, Prepainted Galvanized Steel Coil,Hot Rolled Steel Plate , Cold rolled steel plate , Mild Steel Plate etc.) ,different kinds ...