... screw and barrel for film blowing machine pp, pe and recycling . it's a good design for film blowing machine, based on 38CrMoAla screw ... and barrel for film blowing machine. Ruian Yumin machine screw co.,ltd is a ... of screw: 0.015mUsed for granulation,PP, PE, PA, PC, ABS,AS etcWe can manufacture various kinds of screw barrels ...