... etc. The set consists of single screw extruder, vacuum calibrating bench, tractor, cutting machine, and turn rack, etc.Main ... to the development of the company's efficient single screw extruder machine, high speed extrusion, efficient plasticizing characteristics. 2. ... Barrier type two stage mixing PP - R special screw, slotting machine barrel. 3. Configuration secondary FenLiuXing new mould, has ...