The letter was read during a White House meeting on Thursday between Trump and China's Vice Premier Liu He, who is in Washington trying to reach a deal that would ease trade tensions between the world's two largest economies.

(This story was corrected for an error in the second paragraph to show that letter was read during a White House meeting, not that Trump read from the letter to reporters)

(Reporting by Jeff Mason; Writing by Makini Brice; Editing by Tim Ahmann)