The color coated steel coil is manufactured by painting colorful coating materials or by conglutinating organic film on the basic sheet after the proper surface treatment. Color coated steel coil has a light weight, beautiful and good anti-corrosion performance,it can be directly processed, and also provides a new type of raw materials for construction, shipbuilding,automobile manufacturing, furniture industry, electrical industry, applicance; such as the steel instead of wood, such as efficient constuction, save energy and prevent pollution. With the development of the industry , the wooden color steel coil, camouflage color steel coil, transparent color steel coil have also been stepping into and widely used by the market.