... 2.Aluminium6063-T5 3.Anodized,powder coating 4,OEM welcomed aluminum extruded profile for speaker shell ContentsSpecificationsThickness0.8-4.0mm or as ... , PVDF coating, Wooden coating, etc.Series40 Series, 50 Series, 55 Series, 60 Series, 70 Series, 80 Series, 90 Series, 100 Series, 110 Series etc.ColorsWhite, black, bronze, blue, green ...