A woman interacts with a service robot during the 2020 China International Fair for Trade in Services in Beijing, Sept 6, 2020. The CIFTIS runs until Sept 9 in Beijing. (Photo/Xinhua)
A transparent TV is shown in the comprehensive exhibition area of the 2020 China International Fair for Trade in Services in Beijing, Sept 6, 2020. (Photo/Xinhua)
An unmanned delivery car is shown in the comprehensive exhibition area of the 2020 China International Fair for Trade in Services in Beijing, Sept 6, 2020.(Photo/Xinhua)
A robot is shown in the comprehensive exhibition area of the 2020 China International Fair for Trade in Services in Beijing, Sept 5, 2020.(Photo/Xinhua)
A service robot makes a cup of coffee during the 2020 China International Fair for Trade in Services in Beijing, Sept 6, 2020. (Photo/Xinhua)
A staff shows anti-COVID-19 human immunoglobulin at the booth of Sinopharm in the special area for public health and epidemic prevention during the 2020 China International Fair for Trade in Services in Beijing, Sept 5, 2020. (Photo/Xinhua)
A visitor experiences virtual garment fitting system at the comprehensive exhibition area of the 2020 China International Fair for Trade in Services in Beijing, Sept 5, 2020.(Photo/Xinhua)
A visitor experiences ski simulator at the comprehensive exhibition area of the 2020 China International Fair for Trade in Services in Beijing, Sept 5, 2020.(Photo/Xinhua)
A garbage sorting robot is shown in the comprehensive exhibition area of the 2020 China International Fair for Trade in Services in Beijing, Sept 6, 2020.(Photo/Xinhua)
A swab sample collecting robot is shown in the comprehensive exhibition area of the 2020 China International Fair for Trade in Services in Beijing, Sept 6, 2020.(Photo/Xinhua)
Visitors look at the model of a 5G-enabled factory during the 2020 China International Fair for Trade in Services in Beijing, Sept 6, 2020.(Photo/Xinhua)
