A staff member demonstrates pill making of traditional Chinese medicine 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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