... , TPR or PVC production machine(equipment)1.The production line is composed of kneader,bucket converyor,feeder,extruder,palletizer with ... ,featuring hardness and,wear-resistant and corrosion.6.An automatic or manual screen changer between the extrusion screw and ... replacement of the screens while the line is running without stop.7.Electrical system with PLC control technique composed of transformers ...