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Chen said on-demand delivery services guarantee the daily needs of consumers, and the emergence of noncontact delivery and intelligent drop-off shelves efficiently resolved human-to-human contact concerns amid the COVID-19 threat.

Chen added the new platform will change the way sellers are able to target and serve a wide range of underserviced consumers in China.

Chen Donglu, deputy customs director at the airport, said customs departments are using big data, facial recognition, surveillance videos and related advanced technologies and artificial intelligence equipment to help make it easier for passengers to go through customs and security checks.

Chen Zhongyue, deputy general manager of China Telecom, said the telecom carrier has been working hard to build better telecom infrastructure to help people in remote mountainous regions and districts enjoy fast internet services.

Chengdu began to experiment with the council system in 2003. By 2012, councils had been established in 4,338 communities and villages across the city.