But there was a discrepancy in the two sides’ statements after the Trump-Xi call on one of the most contentious issues: rare earths, which are needed to make all kinds of advanced technologies and are produced almost entirely in China.

China's critical-mineral export controls have become a focus on Trump's criticism of Beijing, which he says has violated the truce reached last month to roll back tariffs and trade restrictions.

President Trump accused China of violating its preliminary trade deal reached with the U.S. These violations included the continued