... aluminium alloy heat sink 2,heat sink profile and radiator aluminum 3,with machiningcustomer demand aluminium heat ... rectification,Bending,Drilling,Tapping,Stamping,Pulling,CNC mill, CNC lathe,CNC machining…3,Surface treatments: mill finished,anodizing,electroplating,powder coating,electrophoresis ... national standard GB/T6892-2006 and Erope standard EN12020-1,2(2001) and american standard AAMA611-98.5, ...