Galvanized corrugated steel sheets, also known as white or galvanized sheet metal: the thickness of 0.25 ~ 2.5mm cold-rolled continuous hot-dip galvanized steel sheet and strip. Steel surface appearance, in order to block or leaf-shaped crystalline zinc pattern, firm zinc coating, have excellent resistance to atmospheric corrosion. Meanwhile, steel as well as good weldability and cold formability. Compared with galvanized sheet steel, hot dip galvanized steel sheet galvanized layer is thick, is mainly used for corrosion resistance strong member. Galvanized sheet is widely used in construction, packaging, rail vehicles, agricultural machinery and supplies, and other aspects of daily life.