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1. Lei Sai IntelligenceHighlights 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.7. Double-ring drive

1. Lei Sai Intelligence4. Changsheng Bearing

Top ten enterprises with the growth ability of core components of humanoid robots:7. Double-ring drive3. Wuzhou New Year