CNC Milling Machine, Special Machine Tool, CNC Gantry Milling Machine manufacturer / supplier in China, offering Granulator Screw, Extruder Screw Special CNC Screw Rotor Milling Machine, T-Shaped CNC Milling Machine for Large Diameter Vacuum Pump Rotor Making Machine, Pump Rotor Special CNC Milling Machine for Screw Pump Rotor and so on.