... nitrided 38CrMoALA wear resistant, corrosion resistant, high strength plastic extruder for pvc pipepvc drainage pipe making machineApplication : This kind of ... from HDPE, PP, ABS, PVC, PET, PC, PS and other plastics material to pipes, profiles, sheets and granules Specificationsplastic ... -120HY120mm25:1 30-90r/min1000mm 250kg/h75kw pvc drainage pipe making machine/plastic extruder for pvc pipe