People visit the World Intelligence Expo 2024 in north China's Tianjin, June 20, 2024.

The World Intelligence Expo 2024 opened on Thursday in Tianjin. With the theme of "Intelligence: Extensive Development Space, Sustainable Growth Driver," the expo is co-hosted by the Tianjin municipal government and Chongqing municipal government. (Xinhua/Zhao Zishuo)

An exhibitor introduces a delivery UAV (unmanned aerial vehicle) at the World Intelligence Expo 2024 in north China's Tianjin, June 20, 2024.

The World Intelligence Expo 2024 opened on Thursday in Tianjin. With the theme of "Intelligence: Extensive Development Space, Sustainable Growth Driver," the expo is co-hosted by the Tianjin municipal government and Chongqing municipal government. (Xinhua/Sun Fanyue)

Volunteers walk into the venue of the World Intelligence Expo 2024 in north China's Tianjin, June 20, 2024.

The World Intelligence Expo 2024 opened on Thursday in Tianjin. With the theme of "Intelligence: Extensive Development Space, Sustainable Growth Driver," the expo is co-hosted by the Tianjin municipal government and Chongqing municipal government. (Xinhua/Sun Fanyue)

A visitor interacts with a bio-robot at the World Intelligence Expo 2024 in north China's Tianjin, June 20, 2024.

The World Intelligence Expo 2024 opened on Thursday in Tianjin. With the theme of "Intelligence: Extensive Development Space, Sustainable Growth Driver," the expo is co-hosted by the Tianjin municipal government and Chongqing municipal government. (Xinhua/Zhao Zishuo)

People view a Tesla vehicle at the World Intelligence Expo 2024 in north China's Tianjin, June 20, 2024.

The World Intelligence Expo 2024 opened on Thursday in Tianjin. With the theme of "Intelligence: Extensive Development Space, Sustainable Growth Driver," the expo is co-hosted by the Tianjin municipal government and Chongqing municipal government. (Xinhua/Zhao Zishuo)

A staff member introduces a Lenovo laptop with a transparent display at the World Intelligence Expo 2024 in north China's Tianjin, June 20, 2024.

The World Intelligence Expo 2024 opened on Thursday in Tianjin. With the theme of "Intelligence: Extensive Development Space, Sustainable Growth Driver," the expo is co-hosted by the Tianjin municipal government and Chongqing municipal government. (Xinhua/Zhao Zishuo)