... 3 ISO9001:2008,BV,RoHS,REACH Aluminum Extrusion LED Heat Sink for Downlight heatsink 1 cooling fin , ... fin,aluminum heatsink, aluminum pin fin heat sink , aluminum LED cooling fin 2 material:aluminum3 finish: ... Heat sink, screws, nuts, worm, Various special miniature stainless steel copper pipe pieces, stainless steel capillary pieces et ISO 9001:2008BV CERTIFICATION Aluminum Extrusion LED Heat Sink ...