... and automotive industry, led power and led light.5). All copper base conduct heat effectively. 6). High density stacked fins enlarge ... , silkscreen painting or as customer's requirement. 5. Material: aluminum, copper, SPCC, SGCC, Stainless steel, Iron, etc. 6. OEM service: according ... .Extrusion die mouldAluminium extrusion die mould, porthole die, AL profile for electronic aluminum radiator