Aluminum veneer has gradually become a powerful member at building decoration industry, which isused particularly widespread at the field of indoor and outdoor curtain wall. Aluminum veneer has become more and more popular due to its prominent feature in the market. It has the characteristics oflight weight, high strength, aseismatic, anti-corrosion, etc. It has flexible feature that can be made into all sizes. Especially, it is easy to process into a corner, or even double-curvature surface shape.