... 2.Good customer service bimetallic conical twin screw barrel for WPC profile production specification:35/76, 45/90, 45/100, ... /132, 68/143, 70/135,70/140, 75/150, 80/143, 80/156, 92/188, 95/191, 105/191, 100/200The ... ,9Cr18MoV high frequency quenchingGHII3nature hard after high temperatureFor Plastic profile (WPC) ExtrusionTechniccal parameter modelmotor powerscrew dia.(MM)screw rotation speed(RPM ...