... shafts,couplins,guides,gear reducer etc. Screw Jack Lifting System configurations screw jacks, bevel gearboxes, flex linking shafts, ... , self locking 2. Multiple jack system, from pair jacks system to fourteen jacks system 3. Electric driven, manual operated are ... Food processing machines, Textiles machines, Steel manufacturing mills, Cold/Hot rolling mills, Spiral weld pipe mills, Saw pipe ...