A staff member shows a set of stamps released to commemorate the China International Import Expo (CIIE) at the National Exhibition and Convention Center in Shanghai, east China, Nov. 5, 2018.(Xinhua/Wang Yiliang)
A journalist presents the first day cover with stamps released to commemorate the China International Import Expo (CIIE) at the National Exhibition and Convention Center in Shanghai, east China, Nov. 5, 2018.(Xinhua/Lan Hongguang)
A staff member shows the first day cover with stamps released to commemorate the China International Import Expo (CIIE) at the National Exhibition and Convention Center in Shanghai, east China, Nov. 5, 2018.(Xinhua/Wang Yiliang)
