... : •100%Quanlity InspectionAs the screw and barrel are the important parts for plastic extruders and injection molding machine,they affect the machine performance and quality directly ... 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 Steel ...