... 120, 65/132, 68/143, 70/135, 70/140, 75/150, 80/143, 80/156, 92/188Screw ... PE/PP/ABS Sheet Extrusion Screw; PE Aluminum Plate;PPR Pipe Screw;EVA Extrusion Screw;HDPE High ... for plastic extruders and injection molding machine,they affect the machine performance and quality directly,therefore,QunYing ... screw13.Gear box14.screw barrel for blowing molding machine 1, Conical twin screw extruder is special ...