... stainless steel,gray iron,ductile iron,brass,bronze,aluminum alloy. Process: machining work on raw parts,including milling,turning, ... and hobbing. Equipment: Milling machine, hobbing machine, drilling & CNC milling machine (XK8140: resolution of 0.001 mm; positioning accuracy ... , threading machine, sawing machine, CNC lathe, 4 axes vertical and 4 axes horizontal machining centres and so on . Material ...