Combo photo shows the AW189 helicopter from Italian high-tech company Leonardo Helicopter at the first China International Import Expo (CIIE) in Shanghai, east China, Oct. 30, 2018 (top), and visitors looking at the booth of Leonardo Helicopter 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)