Chinese Vice Premier Liu He held a phone conversation with U.S. Trade Representative Robert Lighthizer and U.S. Treasury Secretary Steven Mnuchin, China’s Ministry of Commerce said in a statement posted to its website Tuesday. The Chinese and U.S. officials exchanged opinions on trade in accordance with the instructions of the two countries’ heads of state, and agreed to maintain communications, the statement said. Trump and Xi are expected to meet on the second day of the Friday-Saturday Group of 20 summit in Japan, the first face-to-face meeting for the leaders since trade talks broke off in May. (Reuters)