拓邦股份(002139.SZ)：与优必选合作稳定，主要供应空心杯电机

Group 1 - The company, Topband Co., Ltd. (002139.SZ), has a stable partnership with UBTECH Robotics, primarily supplying hollow cup motors [1] - The supply of actuator components, which include the hollow cup motor body, gearbox, encoder, and screw, is gradually increasing [1] - The range of products for future cooperation is expected to continue expanding [1]