Galvanized steel coils refer to products that have a zinc layer electroplated on the surface of ordinary steel coils. Its characteristic is that it has good anti-corrosion performance and aesthetic effect on the surface, and is widely used in fields such as construction, household appliances, automobiles, and plumbing pipes. Galvanized steel coils can be divided into two categories: hot-dip galvanized steel coils and electroplated galvanized steel coils.