
The aluminium frame for an electric car is displayed during the 15th China International Casting Expo in Shanghai, east China, June 13, 2017. The expo started on Tuesday and attracted more than 1300 exhibitors. (Xinhua/Fang Zhe)

The aluminium frame for an electric car is displayed during the 15th China International Casting Expo in Shanghai, east China, June 13, 2017. The expo started on Tuesday and attracted more than 1300 exhibitors. (Xinhua/Fang Zhe)