Color coated steel coil is a product made of hot-dip galvanized steel sheet, hot-dip aluminum-zinc steel sheet, electro-galvanized steel sheet, etc., which is coated with one or several layers of organic coating on the surface after surface pretreatment (chemical degreasing and chemical conversion treatment), and then cured by baking. It is named after the colored steel coil coated with various colors of organic coatings, and is referred to as color coated steel coil.