... led, led heatsink round, aluminum extrusion manufacturer and supplier in China, Molto Precise Machining Co.,Ltd is always at your service. ... Aluminum extrusion is a process used to create objects ... , Brazing, Anodize, Nick plating, Sand blasting. Equipment CNC, skiving, extrusion, saw-cut, cross-cut, FSW, reflow oven, leakage testing, ...