Shanghai Int'l New Energy Vehicle Industry Expo opens

A staff member (1st L) introduces supercapacitor carbon samples to visitors during the 2019 Shanghai International New Energy Vehicle Industry Expo in east China's Shanghai Municipality, Aug. 28, 2019. The three-day event opened at Shanghai New International Expo Center on Wednesday with the participation of over 500 global exhibitors. (Xinhua/Fang Zhe)