Combo photo shows a staff member standing in front of the booth of Nachi company at the first China International Import Expo (CIIE) in Shanghai, east China, Nov. 5, 2018 (top), and the booth of Nachi company during the second CIIE, Nov. 7, 2019 (bottom). Many enterprises which attended the first CIIE last year returned this year, hoping to expand global market via the expo. (Xinhua/Fang Zhe)