Color steel plate refers to color coated steel plate, which is a steel plate with organic coating. The color steel plate is divided into single board, color steel composite board, floor bearing board and so on. Widely used in the walls and roofs of large public buildings, public workshops, mobile homes, and integrated houses. The substrates of color steel plates are cold-rolled substrates, hot-dip galvanized substrates and electro-galvanized substrates. The coating types can be divided into polyester, silicon modified polyester, vinylidene fluoride and plastisol. The surface state of the color steel plate can be divided into coated plate, embossed plate and printed board. The color steel plate is widely used in construction appliances and transportation industries. For the construction industry, it is mainly used in steel structure workshops, airports, warehouses and freezing industries. The roof walls and doors of commercial buildings, etc., are less used in civil buildings.