digital cash system, Overview

Zhongwei Electronic (300270)Hanwang Technology (002362)Jiangsu Ruili (300660)

Guangge Technology (688450)Intelligent quadruped robot has the functions of autonomous walking, climbing, face recognition and snapshot, flash warning and shouting.Hanyu Group (300403)

Galaxy electronics (002519)Hanwang Technology (002362)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.