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4. Changsheng BearingHighlights 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.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.

5. BestHighlights 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.1. Lei Sai Intelligence

Highlights of the company: the production line of lead screw for humanoid robot has been built, and the equipment of the corresponding process is relatively complete, so that the whole process can be independently produced by the company, and the single-process automation scheme can be realized.Highlights 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.2. Zhongda Lide