... processing IT01-IT15 Surggace treatment: anti-rust oil coating ,powder,etc.Equipment: milling machine,hobbing machine,drilling &CNC milling machine ... drilling, threading and hobbing. Equipment: Milling machine, hobbing machine, drilling & CNC milling machine (XK8140: resolution of 0.001 mm; ... surface grinding, digital wire cutting, threading machine, sawing machine, CNC lathe, 4 axes vertical and 4 axes ...