The perforated aluminum veneer uses high-quality 1100, 3003, 5005 single-layer aluminum alloy plate as the base material. The surface coating is divided into fluorocarbon spraying, powder spraying, polyester paint spraying, and fluorocarbon pre-roller coating. From top to bottom: protective film layer, fluorocarbon resin PVDF system, pretreatment layer, aluminum plate layer, pretreatment layer, back coating.