PP and PE Granulating Line is mainly composed of SJ-145X18 single screw plastic extruder, SJ-125X8 single screw plastic extruder, corresponding tension bracing frame head, cooling water tank, cutting granuel machine,and so on. The set has the characteristics of compact structure, good performance. The screw and screw roller are well designed and adopts alloy steel in high performance to process. It makes the whole set has the characteristics of good plasticizing, stable performance, high output and it can work for a long time. The screw roller of the main machine adopts stainless steel electric heater to warm up, exact instrument to control the temperature. The reduction gear can continue to work for a long time with no problem.