... InspectionAs the screw and barrel are the important parts for plastic extruders and injection molding machine,they affect the ... specification of extruder screw barrel and injection molding screw barrel for Haitian,Demag,Engle,Nigrobossi,KMD,NPM,BOY,HUSKY, Nippon ... injection screw barrel, injection Molding screw barrel,screw tips/screw nozzle,2. single screw barrel3. Twin screw barrel4. Twin Conical ...