... thermal solutions6)300mm ~ 600mm width aluminium extrusion heatsinks/radiator for industrial usage7)600mm ~1200mm width aluminium extrusion or ... , 14)Surface finish for aluminium extruson heat sinks and radiator: brushing; sand blasting; powder coating, milling; polishing, ... black, white,blue 16)Features of aluminium extrusion heatsink/radiator: Beautiful deisgn and shape Good quality with competitive ...