... machined heat sink machined heat sink heat sink profile machined heat sink1,Material:mainly in 6000 grade ... ,6463,6082…2,The processing methods including: Aluminium profile extruding,Precise cutting,Straight rectification,Bending,Drilling,Tapping,Stamping ... and Erope standard EN12020-1,2(2001) and american standard AAMA611-98.5,OEM. machined,fabricated aluminium heat sink and radiator aluminium profile ...