... ,3003,5052,6060,6463,6082…2,The processing methods including: Aluminium profile extruding,Precise cutting,Straight rectification,Bending,Drilling,Tapping,Stamping,Pulling ... EN12020-1,2(2001) and american standard AAMA611-98.5,OEM. machined,fabricated aluminium heat sink and radiator aluminium profile