copper and aluminium extrusion heat-sink 1 aluminium extrusion 2 copper heat-sink 3 heat-sink 1)Aluminium extrusion heat sinks for enclosures/chassis/cases2)Copper extrusion heatsinks for thermal solutions of computer, machines, equipments and devices.3)Aluminum extrusion profile heat sinks for thermal transfer of computer chassis, server cases4)Aluminium 6063-T5 or T6 heatsinks/radiators ...