Color coated steel sheet is made of hot galvanized steel sheet and hot dipped aluminum zinc plate as substrate.After the surface pretreatment,they will be covered a layer or layers of organic coating ,then baking and curing to production.Have also been coated with a variety of different colors of organic coating color steel plate, referred to as "painted coil”.They are mainly used in both inside and outside the building materials, household appliances and other fields.