Visitors visit the booth of FedEx at the Trade in Services area of the first China International Import Expo (CIIE) in Shanghai, east China, Nov. 8, 2018. (Xinhua/Fang Zhe)

　　Visitors walk past the showcase at the Trade in Services area of the first China International Import Expo (CIIE) in Shanghai, east China, Nov. 5, 2018. (Xinhua/Fang Zhe)

　　A promotion is held at the booth of Messe Frankfurt at the Trade in Services area of the first China International Import Expo (CIIE) in Shanghai, east China, Nov. 5, 2018. (Xinhua/Fang Zhe)

　　A staff member of UPS introduces drone delivery at the Trade in Services area of the first China International Import Expo (CIIE) in Shanghai, east China, Nov. 8, 2018. (Xinhua/Fang Zhe)