... 3 ISO9001:2008,BV,RoHS,REACH Aluminum Extrusion LED Heat Sink for Downlight heatsink 1 cooling fin ,heatsink,aluminum ... ContinuousImprovement Major product: The scope of business is the hardware turning parts, connector’s pin & socket contact, Axis of copiers, ... plug/socket with a pinhole, connector axial parts, watches and clocks,Glasses shaft parts, Heat sink, screws, nuts, worm, Various special ...