NMRV series worm-gearboxes 1.compact structure 2.small volume 3.installation position willfully. NMRV series worm-gearboxes 1. NMRV series worm-gearboxes of R50, R63, R80, R100 are made from high-quality aluminum alloy through die-casting, beautiful shape, compact structure, small volume, installation position willfully.2. Smooth oration, low noise, easy maintain.3. The output shaft of the NMRV ...