... 2,anodization heat sink 3,aluminium radiator 4,black anodization heat sink anodization aluminium heat sink anodization heat sink ... methods including: Aluminium profile extruding,Precise cutting,Straight rectification,Bending,Drilling,Tapping,Stamping,Pulling,CNC mill, CNC lathe,CNC machining…3,Surface treatments ... -98.5,OEM. anodized or powder coated aluminium heat sink part and aluminium radiator