Color coated board, also known as color steel plate, color plate in the industry. The color coated steel plate is made of cold-rolled steel plate and galvanized steel plate, subjected to surface pretreatment (degreasing, cleaning, chemical conversion treatment), coated in a continuous manner (roll coating method), and baked and cooled. Into the product. The coated steel plate has light weight, beautiful appearance and good anti-corrosion performance, and can be directly processed. It provides a new type of raw material for the construction industry, shipbuilding industry, vehicle manufacturing industry, home appliance industry, electrical industry, etc. Wood, efficient construction, energy conservation, pollution prevention and other good results.