... ,3003,5052,6060,6463,6082…2,The processing methods including: Aluminium profile extruding,Precise cutting,Straight rectification,Bending,Drilling,Tapping,Stamping,Pulling ... national standard GB/T6892-2006 and Erope standard EN12020-1,2(2001) and american standard AAMA611-98. customized heat sink aluminium profile and radiator aluminium extrusion