A visitor experiences 5G-supported unmanned driving at a 5G-themed exhibition held during the World 5G Convention in Guangzhou, south China's Guangdong Province, Nov. 26, 2020. The 2020 World 5G Convention kicked off in Guangzhou Thursday, during which world-renowned infocom scientists, 5G service providers and 5G application adopters will exchange ideas on aspects of cutting-edge technologies, industrial development trends and innovative applications in 5G industry. (Xinhua/Deng Hua)

Visitors try a 5G smartphone at a 5G-themed exhibition held during the World 5G Convention in Guangzhou, south China's Guangdong Province, Nov. 26, 2020. The 2020 World 5G Convention kicked off in Guangzhou Thursday, during which world-renowned infocom scientists, 5G service providers and 5G application adopters will exchange ideas on aspects of cutting-edge technologies, industrial development trends and innovative applications in 5G industry. (Xinhua/Deng Hua)

A staff member tests 5G experience devices at a 5G-themed exhibition held during the World 5G Convention in Guangzhou, south China's Guangdong Province, Nov. 26, 2020. The 2020 World 5G Convention kicked off in Guangzhou Thursday, during which world-renowned infocom scientists, 5G service providers and 5G application adopters will exchange ideas on aspects of cutting-edge technologies, industrial development trends and innovative applications in 5G industry. (Xinhua/Deng Hua)

Visitors watch a robotic dog at a 5G-themed exhibition held during the World 5G Convention in Guangzhou, south China's Guangdong Province, Nov. 26, 2020. The 2020 World 5G Convention kicked off in Guangzhou Thursday, during which world-renowned infocom scientists, 5G service providers and 5G application adopters will exchange ideas on aspects of cutting-edge technologies, industrial development trends and innovative applications in 5G industry. (Xinhua/Deng Hua)

Photo taken on Nov. 26, 2020 shows a 5G-themed exhibition held during the World 5G Convention in Guangzhou, south China's Guangdong Province. The 2020 World 5G Convention kicked off in Guangzhou Thursday, during which world-renowned infocom scientists, 5G service providers and 5G application adopters will exchange ideas on aspects of cutting-edge technologies, industrial development trends and innovative applications in 5G industry. (Xinhua/Deng Hua)

Photo taken on Nov. 26, 2020 shows the scene of the opening of the World 5G Convention in Guangzhou, south China's Guangdong Province. The 2020 World 5G Convention kicked off in Guangzhou Thursday, during which world-renowned infocom scientists, 5G service providers and 5G application adopters will exchange ideas on aspects of cutting-edge technologies, industrial development trends and innovative applications in 5G industry. (Xinhua/Deng Hua)