... for Led street lamp and have surface treatment aluminium radiator profile for Led street lamp Material aluminium alloy: 6061 /6063 T3 ... -T8 Shapeaccording to drawing and sample (square, angle, flat, ... machiningprecise cutting, drilling, tapping,CNC milling,CNC lathe and so on.Surface treatment Polishing,brushing,anodizeing, electroplate, ...