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Zhongwei Electronic (300270)Union Photoelectricity (300691)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.

Hanyu Group (300403)Hanyu Group (300403)Galaxy electronics (002519)

Jiangsu Ruili (300660)Hanyu Group (300403)Hanwang Technology (002362)