A staff member demonstrates an anesthesia machine in health care services exhibition hall during the 2021 China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China, Sept. 4, 2021. (Xinhua/Ren Chao)
In pics: exhibitions at CIFTIS in Beijing
Source: Xinhua| 2021-09-04 19:27:14|Editor: huaxia
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