... drawing or OEM. Techincal Advantages of OSD KRAUSS-MAFFEI Paralllel Twin Screw Barrel :1.Advanced Nitriding Technology ... CaCo3, recylced plastic material,etc co-rotating OSD KRAUSS-MAFFEI Paralllel Twin Screw Barrel DiameterΦ15mm-Φ350mmDesigningScrew structure and ... screw barrel and injection screw barrel for Haitian, Demag, Engle, Klaus-maffei, Nigro bossi, arburg,NPM, BOY, Husky, Fanuc, billion, ...