Participants from over 50 countries and intl organizations will attend the 22nd China Hi-Tech Fair (CHTF) in #Shenzhen, online or offline, from Nov 11 to 15. With an exhibition area of over 140,000 m2, #CHTF 2020 attracted over 3,300 domestic and overseas exhibitors. (file pics) pic.twitter.com/boJRLCqAOn
— China Science (@ChinaScience) November 11, 2020