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6. Siling shares7. Double-ring drive4. Changsheng Bearing

Highlights 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.1. Lei Sai Intelligence8. Zhaowei Electromechanical

Highlights 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.Highlights of the company: we have successfully developed joint-related core components such as CD servo driver, hollow multi-turn absolute value encoder and frameless torque servo motor.5. Best