... : computer CPU, computer case, power. engine and automotive industry, led power and led light.5). All copper base ... my company 1. Almost 10 years experience on aluminum extrusion profile, aluminum enclosure profile, aluminum heat sink, sheet metal parts, punching parts ... , silkscreen painting or as customer's requirement. 5. Material: aluminum, copper, SPCC, SGCC, Stainless steel, Iron, etc. 6 ...