... Professional R&D sales service CPU heat sink Basic information of this aluminum extrusion CPU heat sink: Shaping modeextrusionApplicationelectronic and ... , electrophoresis, powder coating, painting, polishing + grinding , UV.l Main material: ADC12,ADC10,A380,A360,A356,A413,6063,6061,7075 ... partsProduct design & PrototypeMachining & Surface finish treatment Computer CPU heat sink for fans & cooling