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Galaxy electronics (002519)With the equity of Tongchuan Technology, Tongchuan Precision Harmonic Retarder can play the characteristics of large reduction ratio and light weight in the design of robot dog legs.Xing Wang Yu da (002829)

Zhongwei Electronic (300270)Zhongwei Electronic (300270)Zeyu Hi-Tech has developed wheeled robots and quadruped robots.

Zhongwei Electronic (300270)Zhongjian Technology (002779)Independent research and development and production of bionic mechanical dogs, as well as all-terrain unmanned patrol cars and omnidirectional small spiders.