... such these rubber machines co-roatating twin screw extruder:Both screws and barrels were designed using the ... applications Ruiya recently designed and provided high torque extruder series C(n is less than 500 r/min ... than 8, ) and high speed & high torque extruder series D( n is greater than 600 r/min, ... low vibration and low noise level, the main extruder can be installed on most solid grounds with no ...