... 3. High quality material, good production experience 4. Design screw and barrel specifications:45/90,45/100,50/105,51/105,55 ... using effectiveness. We can supply screw and barrel for Krauss Maffei ,ShangHai JwellL,CINCINNATI, HaiTian,weber and so on, we also can make ... screw and barrel according to your drawings, we even can design screw and barrel for you as long as you ...