Twin Screw Extruder Gearbox New high speed and high torque,High precision ... pattern machining,Imported SKF axis,hig Twin Screw Extruder Gearbox Features:1)Gear and shaft made of fine quality ... )Parallel & tri-axial structure.Technical parameters: 1) New structure gearbox, high torque, high speed; gear box material QT450 2) ... : KY-35/50/65/75 Twin Screw Extruder Gearbox Co-rotating Twin Screw Extruder ...