... The machine uses LDPE or HDPE as material, after being heated,extruded,drawn and winded,the material become cylindrical plastic film, ... bag within woven bag, the film can be used for agriculture film,filed film and shed film after on or two side cut ... extruder and driving part adopts steepless speed regulation.. NameH/LDPE Film Extrusion MachineModelSJ-FM50/600SJ-FM55/800SJ-FM65/1000Dia.Of Screw(mm ...