aluminum lamp radiator : 1,Material:aluminum 2,Processing method:CNC machining,hard anode ... treatment, Anodizing, Plating and etcTolerance+/-0.1mm ~ +/-0.005mmPreferred FormatsJPEG, PDF,CAD,IGS,PRO/EMOQ50PCSMax Diameter400mm Equipment1). General Milling machine2). General ... Grinder7). Centerless Grinder8). Grinding MachineOEM/ DRAWINGS/SAMPLES PROCESSING. aluminum lamp radiator