A staff member introduces products to visitors during the 9th China International Exhibition of Road Security Products, in Nanjing City, capital of east China's Jiangsu Province, Aug. 9, 2017.
The 3-day exhibition started in Nanjing International Expo Centre on Wednesday.
A visitor experiences a proactive warning system during the 9th China International Exhibition of Road Security Products, in Nanjing City, capital of east China's Jiangsu Province, Aug. 9, 2017.
(Source / english.news.cn; Photo / Xinhua; Editor / Mengxi Li)
