Visitors view exhibits at the digital achievements exhibition during the fourth Digital China Summit in Fuzhou, southeast China's Fujian Province, April 25, 2021. The fourth Digital China Summit kicked off on Sunday in Fuzhou, exhibiting breakthroughs in the information sector and innovations in digital transformation. Themed "stimulating new dynamics of data factors and embarking on a new journey for digital China," the summit aims to provide a platform for exchanges in digital technology and industry cooperation. (Photo: Xinhua)

A robot belonging to Xiamen International Bank is seen at the digital achievements exhibition during the fourth Digital China Summit in Fuzhou, southeast China's Fujian Province, April 25, 2021. (Photo: Xinhua)

A manned autopilot aircraft is exhibited at the digital achievements exhibition during the fourth Digital China Summit in Fuzhou, southeast China's Fujian Province, April 25, 2021. (Photo: Xinhua)

A visitor tries a VR spinning based on 5G technology at the digital achievements exhibition during the fourth Digital China Summit in Fuzhou, southeast China's Fujian Province, April 25, 2021. (Photo: Xinhua)

A high-tech company displays a mobile lab for COVID-19 nucleic acid testing at the digital achievements exhibition during the fourth Digital China Summit in Fuzhou, southeast China's Fujian Province, April 25, 2021.(Photo: Xinhua)

Photo taken on April 25, 2021 shows the digital achievements exhibition during the fourth Digital China Summit in Fuzhou, southeast China's Fujian Province.(Photo: Xinhua)

Visitors view a digital governance application, displayed by the government data aggregation and sharing platform of Fujian Province, at the digital achievements exhibition during the fourth Digital China Summit in Fuzhou, southeast China's Fujian Province, April 25, 2021.(Photo: Xinhua)