... year upvc pvc pipe manufacturing plnat/extruding machine Process flow PVC powder + additive + mixing + feeder + twin screw extruder + mould and ... cable supporting, thickness of PVC plastic pipe, The lines have conical twin-screw extruder, vacuum forming device, traction machine, ... cutting machine, stacker frame and so on, Extruder, vacuum shaped tank, and haul-off machine motor produce ...