Mainly used for small hardware parts, standard parts, instruments, watches, bicycles, sewing machines, hydraulic, pneumatic parts, bearings, automotive, electrical parts, plastics, ceramics, metals, precious handicrafts and other industries deburring of parts of various products, surface finish, especially for special-shaped parts of the surface finishing has its specific location features, finishing by the models of parts, does not destroy the original shape and position accuracy, and improved surface quality, widely used in small quantities parts finishing.