Donald Trump, Xi Jinping

FILE - In this Thursday, Nov. 9, 2017, file photo, U.S. President Donald Trump waves next to Chinese President Xi Jinping after attending a joint press conference at the Great Hall of the People in Beijing. China's main official news agency is warning U.S.-Chinese relations will face "more pressure and challenges" following President Donald Trump's decision to label Beijing a rival. (AP Photo/Andy Wong, File)