Jiang Zengwei (L), chair of the Business 20 (B20) China and also chairman of the China Council for the Promotion of International Trade, hands over a document to the representatives of the next B20 summit host Ulrich Grillo (C), president of the Federation of German Industries, and Gerhard Braun, vice-president of Confederation of German Employers' Associations, in Hangzhou, capital of east China's Zhejiang Province, Sept. 4, 2016. The B20 summit concluded in Hangzhou on Sunday. (Xinhua/Chen Yehua)
