... ) use package Strech film machine, fresh film machine, casting stretch film machine, DF-50x2,55x2 Double-layer Co-extrusion Stretch Film Machine USE: This unit uses ... of screw stem10-120rpm10-120rpmFolding Width of Products200-500mm200-500mmtraction roll width650mm650mmThickness0.015-0.04mm0.015-0.04mmMain motor power11kwX 215kwX ...