long term investment cryptocurrency 2021 Top snippets

7. Double-ring drive7. Double-ring driveHighlights 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.

1. Lei Sai Intelligence5. Best1. Lei Sai Intelligence

8. Zhaowei ElectromechanicalHighlights 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.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.