Wu Hequan, an academician with the Chinese Academy of Engineering, attends the press conference for the 2018 China International Big Data Industry Expo on Feb 28. [Photo/gz.people.cn]

Li Guanyu, deputy director of the information and software service division at the Ministry of Industry and Information Technology, attends the press conference for the 2018 China International Big Data Industry Expo on Feb 28. [Photo/gz.people.cn]