... for these products,we can make any specification of extruder screw barrel and injection molding screw barrel for Haitian,Demag,Engle,Nigrobossi,KMD,NPM,BOY ... Screw Barrel9. rubber screw barrel10.Pin screw barrel11.Force feed screw barrel12.Blocks screw13.Gear box14.screw barrel for blowing molding machine 1, Conical twin screw extruder is ...