1 LED aluminum extruded heat sink 2 ISO9000:2008 certiicated 3 heat sink for LED, CPU,Power 4 20 years experiece 5 OEM ... experience on aluminum extrusion profile, aluminum enclosure profile, aluminum heat sink, sheet metal parts, punching parts and metal hardware parts. 2 ... cover. We are capable to manufacture all kinds of heat sink, metal hardware parts and punching parts according to customers' ...