Its’ base metal is cold rolled sheet and galvanized sheet .After surface pre-treatment(degreasing,cleaning,chemical conversion treatment).After several methods of coating(roll coating),then oven and water quench ,finally into color coated sheet .Coated sheet have light quality,artistical and better anti-corrosion performance.When doing deeper manufacture,which is bring a new raw material to construction,boat-building,car-making,furniture-industry,electrical industry etc,playing an excellent effect ,such as steel instead of wood,efficient construct,saving energy,anti-pollution and so on.