Before high-level U.S. and Chinese officials hold talks in Switzerland this weekend to discuss high tariffs, Washington and Beijing have been in a rhetorical duel over which side reached out first.

President Donald Trump remains firm that the United States is not going to unilaterally reduce tariffs on Chinese goods without concessions from China, the White House said on Friday, hours after Trump floated the idea of reducing the current rate of 145% down to 80% as the two sides prepare for talks between in Switzerland.