... processing 2,aluminium alloy heat sink 3,heat sink profile and radiator customer demand aluminium heat sink aluminium alloy heat ... 6060,6463,6082…2,The processing methods including: Aluminium profile extruding,Precise cutting,Straight rectification,Bending,Drilling,Tapping,Stamping, ... the China national standard GB/T6892-2006 and Erope standard EN12020-1,2(2001) and american standard AAMA611-98.5,OEM. ...