... products,we can make any specification of extruder screw barrel and injection molding screw barrel for Haitian,Demag,Engle,Nigrobossi,KMD,NPM,BOY,HUSKY, Nippon ... production of screw barrel type:1. injection screw barrel, injection Molding screw barrel,screw tips/screw nozzle,2. single screw barrel3. Twin screw barrel4. Twin Conical screw and barrel(Co-rotating,Counter ...