... rectification,Bending,Drilling,Tapping,Stamping,Pulling,CNC mill, CNC lathe,CNC machining…3,Surface treatments: mill finished, ... anodizing,electroplating,powder coating,electrophoresis.4,Meet the China national standard GB/T6892-2006 and ... ) and american standard AAMA611-98.5,OEM. anodized or powder coated aluminium heat sink part and aluminium ...