Exhibitors of Beijing Xin Yuan Shield Public Security Technology Development Center operate a drone during the China International Exhibition on Police Equipment in Beijing, capital of China, May 15, 2018. Over 500 exhibitors from home and abroad took part in the exhibition from May 15 to 18. (Xinhua/Yin Gang)
China Int'l Exhibition on Police Equipment held in Beijing
Source: Xinhua| 2018-05-16 10:59:24|Editor: Liangyu
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