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4. Changsheng BearingHighlights 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.8. Zhaowei Electromechanical

2. Zhongda Lide2. Zhongda Lide

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.3. Wuzhou New Year6. Siling shares