Aluminum sheets have versatile features:light in weight, high intensity, corrosion resistance, good electric conductivity, and the thermal radiation and light,easy to fabricate. Aluminum sheets is widely applied in the construction field -- decorative ceilings and wall panels, the roof; in the field of transport : Aluminum used in the truck and bus body, the signs advertising signs, and so on; Aluminum is also widely used as cooling materials and heat exchanger material. kitchen appliances, electronics, electrical appliances,  PS plate base in printing and so on.