Photo taken on Sept. 3, 2021 shows a supersonic diagnosis equipment during the 2021 China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China. (Xinhua/Zhang Chenlin)
Highlights of 2021 China International Fair for Trade in Services in Beijing
Source: Xinhua| 2021-09-04 07:45:02|Editor: huaxia
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