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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.6. Siling shares8. Zhaowei Electromechanical

5. BestHighlights 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.4. Changsheng Bearing

2. Zhongda Lide8. Zhaowei Electromechanical4. Changsheng Bearing