... service This line is for wood and plastic composite products. The plastic can be PVC, PP, PE and other materials.YF Series PVC profile ... (conical) screws extruder of different specifications can be chosen together with corresponding vacuum calibrating table, haul-off unit, cutting unit, ... 4-meter, 6-meter, 8-meter, 11-meter, etc. With twin parallel screws extruder, it is particularly suitable for high ...