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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.

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9, the core moves LiankeHighlights of the company: In the field of intelligent robot with body, Wuzhou New Year listed the planetary roller screw of intelligent robot with body as a key research and development product.