Color coated sheet is the ultimate product for deep processing of steel plates in the world today. It has the characteristics of lightweight, aesthetics, and good corrosion resistance, and is widely used in industries such as construction, light industry, and home appliances. In recent years, with the development of these industries and the improvement of consumption levels, their market demand has grown rapidly, which has attracted a large number of domestic enterprises to build or are currently building color coated board production lines. The main products and applications of the 2-color coated board production line include polyester, silicon modified polyester, epoxy resin, fluorocarbon, acrylic resin, plastic melt adhesive, household appliance polyester, surface film, embossing, and other products.