fabricated heat sink profile 1,machined heat sink 2,aluminium alloy ... ,Bending,Drilling,Tapping,Stamping,Pulling,CNC mill, CNC lathe,CNC machining…3,Surface treatments: mill finished,anodizing,electroplating,powder coating,electrophoresis ... ,Meet the China national standard GB/T6892-2006 and Erope standard EN12020-1,2(2001) and american standard AAMA611-98.5,OEM.