... 4) OEM OK Anodized Aluminum Car Amplifier Cover/ Front Plate/ CasingSpecification:Material: Alluminum Alloy: 1x,2x, 3x, ... Drilling, Turning, Tapping, Shearing, Insulation, Platic forming, HydroformingApplication: Aluminum Panel/ Plate/ Covers used for all kinds of Car or ... expansive product line includes: Aluminum Extrusion/profile, Aluminum Plate, Aluminum Radiator/Heat sink, Aluminum Tubes/Pipes/Bars ...