The fourth Global Digital Trade Expo (GDTE) in Hangzhou reached the peak on September 27. The pavilions are bustling with people.

The number of domestic and international audiences surges, with the additional performance by the robot band at Pavilion 7A. The Digital Culture and Entertainment Pavilion is full of fun, and the audiences can "play"the ancient musical instrument of Dunhuang, and "feed"the AI tyrannosaurus.

The zero-carbon planting chamber displays intelligent vegetable cultivation techniques that achieve a water-saving rate of over 95 percent, favored by the merchants from the Middle East and Japan.

The intelligent agent that can determine the psychological state by scanning the face stimulates the interest of audiences. This has been implemented in the judicial systems of more than 10 provinces and cities such as Zhejiang and Jiangsu, and is used for psychological risk screening of correctional officers in communities.