... alloy heat sink 2,heat sink profile and radiator aluminum 3,with machiningcustomer demand ... Straight 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 ...