Galvanized sheet should have a good appearance, no defects harmful to the use of the product, such as no plating, holes, cracks and scum, more than thick plating, abrasion, chromic acid dirt, white rust, etc.

The construction industry is mainly used to manufacture anti-corrosion roof panels and roof gratings for industrial and civil buildings; In light industry, it is used to manufacture household appliance shells, civil chimneys, kitchen appliances, etc. In automobile industry, it is mainly used to manufacture corrosion resistant parts of cars, etc; Agriculture, animal husbandry and fishery are mainly used as food storage and transportation, frozen processing tools for meat and aquatic products, etc; It is mainly used for the storage and transportation of materials and packaging tools.