Color-coated coils are based on hot-dip galvanized sheets, hot-dip galvanized sheets, and electro-galvanized sheets. After surface pretreatment (chemical degreasing and chemical conversion treatment), one or several layers of organic coatings are applied on the surface, and then A product that is baked and cured. It is named after the colored steel coils coated with various colors of organic coatings, referred to as color-coated coils.