1.For pvc material 2.For pvc profiles 3..Conical twin-screw extruder 4.High efficiency, Low energy consumption Series PVC non-profiled material production line is mainly used in PVC door & window profiled material,wide door plate, window plate, extrusion of multi-holes pipe for passing through lines(four holes, six holes, seven holes, nine holes, etc.) For different sectional surface and molds, ...