Decorative Perforated Solid Aluminum Wall Panels Exterior are pre-fabricated and prepainted single layer aluminum in our factory. Such wall panels can be made with many customized shapes, and used for exterior wall decoration, interior wall decoration etc. The alloy of decorative wall panels are AA3003, it contains magnesium & maganese. These two ingredients of metals bring to our aluminum wall panels anti-corrosive property, enhance the panel strength & flatness, it is very ideal to be used for exterior wall cladding.