... made of nitrided 38CrMoALA wear resistant, corrosion resistant, high strength pe pipe production lineApplication : This kind of extruder has wide application ... ,LDPE,LLDPE,PUand other plastics material to pipes, profiles, sheets and granules Specificationsplastic extruding machine 1.High capacity 2.Long life 3 ... ,55kw SJ-120HY120mm25:1 30-90r/min1000mm 250kg/h75kw MDPE Pipes making machine