... ,linking shafts,couplins,guides,gear reducer etc. Screw Jack Lifting System configurations screw jacks, bevel gearboxes, flex linking shafts, couplins ... the precision lift table following NOSEN engineers AutoCAD drawings. Screw Jack Lifting System features: 1. Heavy duty, positioning precision, ... very precise up or down control. Because the screw jack lift system is of high mechanical, they are ...