DEGE exterior metal siding panel, which is also called metal carved PU(polyurethane) foam sandwich board, used for the exterior wall decoration and insulation. It is mainly composed of three layers: the surface is colored coated aluminum zinc steel plate treated by nano stain proof technology; The middle layer is hard foam polyurethane with special fire protection treatment; The bottom layer is aluminum foil anti-corrosive layer. DEGE exterior wall insulation panel can be widely used in municipal construction, apartment and residence, office hall, villa, garden scenic spot, old building reconstruction , guard post and many other engineering fields. The building material is not only applicable to new brick concrete structure, frame structure, steel structure, light body room and other types of buildings, but also applicable to the decoration and energy-saving transformation of existing buildings, as well as indoor and outdoor decoration. Exterior wall thermal insulation decorative integrated board is becoming the first choice of more and more wall thermal insulation decorative building materials because it is non-flammable, fire-proof and environmental protection and energy-saving.