cheap crypto to invest in 2021 Top Knowledge

Zhongjian Technology (002779)New year's demon king

Small indoor cleaning robots, small intelligent inspection robots and other related robot products will be exhibited in the light weapons exhibition area of the Aerospace Expo.Four-legged intelligent inspection robot has been launched, which is specially designed for autonomous inspection application in complex environment.Jiangsu Ruili (300660)

Zhongwei Electronic (300270)Union Photoelectricity (300691)Zeyu Intelligent (301179)