... bottle blown machinery screwbarrel/screwbarrel for blowing bottle/single screw and barrel for PET bottlemachine Specification:45/90, 45/100, ... ,we can make any specification of extruder screw barrel and injection molding screw barrel for Haitian,Demag,Engle,Nigrobossi, ... type:1. injection screw barrel, injection Molding screw barrel,screw tips/screw nozzle,2. single screw barrel3. Twin screw barrel4. ...