The media center of the CIFTIS started trial operation on Thursday. The CIFTIS is to be held from Sept. 4 to 9. (Photos: Xinhua)

Journalists work at the media center of the China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China, Sept. 3, 2020.

Journalists work at the media center of China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China, Sept. 3, 2020.

A journalist registers at the media reception center of the media center of the China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China, Sept. 3, 2020.

Volunteers work at the media center of the China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China, Sept. 3, 2020.

Journalists work at the media center of the China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China, Sept. 3, 2020.

Journalists work at the media center of the China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China, Sept. 3, 2020.

Photo taken on Sept. 3, 2020 shows a cultural exhibition booth at the media center of the China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China.

Volunteers work at the media center of the China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China, Sept. 3, 2020.

A volunteer talks with a journalist at the media center of the China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China, Sept. 3, 2020.

Journalists work at the media center of China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China, Sept. 3, 2020.

A journalist works at the media center of China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China, Sept. 3, 2020.

Journalists work at the media center of the China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China, Sept. 3, 2020.

Journalists work at the media center of the China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China, Sept. 3, 2020.

A volunteer guides a journalist at the media center of the China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China, Sept. 3, 2020.

Journalists work at the media center of China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China, Sept. 3, 2020.

A journalist works at the media center of the China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China, Sept. 3, 2020.

Volunteers work at the media center of the China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China, Sept. 3, 2020.

Journalists work at the media center of the China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China, Sept. 3, 2020.