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4. Changsheng Bearing5. Best

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.9, the core moves Lianke6. Siling shares

2. Zhongda LideHighlights 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.Top ten enterprises with the growth ability of core components of humanoid robots: