... , logo industry, schools, enterprises and institutions CE steel engraving cnc machine QL-6090Characteristics: 1, Germany-double with ball screw nut ... the accident (Duandao) or the next day, and circumstances. 3, alone with a number of workpiece machining way to preserve ... Lathe Bed, (2)Cast aluminium whole bed construction, (3)Circular guides in 3 axis, (4)German high precison ball screw with two nuts ...