艾迪精密：公司目前有滚珠丝杠、行星滚柱丝杠、直线导轨等产品

Group 1 - The company, Aidi Precision (603638), has recently introduced core components for humanoid robots, including linear actuators and rotary actuators [1] - The company currently offers products such as ball screws, planetary roller screws, and linear guides [1]