Visitors look at a smart factory control system during the World Intelligent Manufacturing Summit (WIMS) 2018 in Nanjing, east China's Jiangsu Province, Oct. 11, 2018. The WIMS 2018 opened at the Nanjing International Expo Center on Thursday. The event attracts over 1,900 exhibitors worldwide to showcase the latest technologies, advanced products, development trends and cutting-edge solutions in the intelligent manufacturing field. (Xinhua/Li Bo)