Chinese Vice Premier Liu He (8th R), also a member of the Political Bureau of the Communist Party of China Central Committee and chief of the Chinese side of the China-U.S. comprehensive economic dialogue, U.S. Trade Representative Robert Lighthizer (8th L) and Treasury Secretary Steven Mnuchin (7th L) hold the 12th round of China-U.S. high-level economic and trade consultations in east China's Shanghai from July 30 to 31, 2019. (Xinhua/Liu Bin)