aluminum alloy 1.simple,light, 2.polishing/electrophoresis,powder coating 3.ISO certificate and top brand Application Decorations, windows and door uses1.Material:aluminum 6063 6061 T3-T8,6082,60602.Surface treatment:mill finish,anodized,electrophoresis,powder coating,silver matt and sand blasting,wooden grain 3.Characteristics:lightness,smooth,subtle edges and elegant appearance4.Deep process: ...