... screw * Anti-backlash nut device. NOSEN R&D,production & sales a new Europe-type RNF-Series Cubic Gearboxes ... shaft,trunnion base etc.Application Industries:Precision lift table, Roll forming machines, Press machines,Tunnel Freezer, Surface-Gringing machines, ... , Solar tracking system, Sluice gate, Theatre stage, Slitting line, Precision leveler, Powered straightener, Paper machines, Food processing ...