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4. Changsheng BearingHighlights of the company: the main business is self-lubricating bearings, and the ball screw products of the company can be applied to the action control parts of humanoid robots.

Highlights of the company: the products are mainly used in driving and transmission application scenarios in rail transit, wind power generation, power tools, robot automation and other industries.4. Changsheng Bearing5. 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.Highlights 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.4. Changsheng Bearing