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7. Double-ring drive2. Zhongda LideHighlights of the company: the process of planetary roller screw, the core component of the linear actuator of humanoid robot, has been continuously optimized, and the layout of batch production process has been continuously improved.

5. Best8. Zhaowei Electromechanical5. Best

Highlights of the company: we have successfully developed joint-related core components such as CD servo driver, hollow multi-turn absolute value encoder and frameless torque servo motor.Top ten enterprises with the growth ability of core components of humanoid robots:6. Siling shares