A staff member shows a virtual 3D bank hostess at the Financial Services Exhibition Hall of the 2020 China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China, Sept. 5, 2020. The CIFTIS runs on Sept. 4-9 in Beijing. (Xinhua/Ren Chao)

A visitor talks with a simulation robot at the Financial Services Exhibition Hall of the 2020 China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China, Sept. 5, 2020. The CIFTIS runs on Sept. 4-9 in Beijing. (Xinhua/Ren Chao)

Photo taken on Sept. 5, 2020 shows the Financial Services Exhibition Hall of the 2020 China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China. The CIFTIS runs on Sept. 4-9 in Beijing. (Xinhua/Ren Chao)

A staff member(L) introduces a smart invoicing terminal product at the Financial Services Exhibition Hall of the 2020 China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China, Sept. 5, 2020. The CIFTIS runs on Sept. 4-9 in Beijing. (Xinhua/Ren Chao)

Photo taken on Sept. 5, 2020 shows the interior view of the Financial Services Exhibition Hall of the 2020 China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China. The CIFTIS runs on Sept. 4-9 in Beijing. (Xinhua/Ren Chao)