1.High precision with near-zero backlash in rotational and positioning accuracy; 2.High load capacity,area contact in gear meshing,torque capacity over twice that of oher drive forms; 3.High reduction ratio,with a single-stage model offering a range from 30:1 to 160:1; 4.Long service life,smooth transmission,shock-free operation,low noise; 5.Compact and Highly Integrated design; 6.A wide range of models,suited for dexterous joint control in humanoid robots.