China warned the Trump administration on Tuesday against reigniting trade tension by restoring tariffs on its goods next month, and threatened to retaliate against nations that strike deals with the United States to cut China out of supply chains.

China has vowed to roll out 'firm countermeasures' in the face of Donald Trump's new tariffs, accusing the US President of 'violating trade rules' and trying to 'intimidate' the world. No other country comes close to matching China's annual sales of more than $400 billion in goods to the United States each year.

The pause on the biggest of Trump's tariffs won't pass this week, as planned, but the problems they present still loom large.

Two days before that deadline, and with nary a formal trade deal in hand, Trump signed an executive order delaying those tariffs again, this time to Aug. 1. But he also sent lette

President Donald Trump says he will put a 50% tariff on copper imports before noting the value of the versatile metal.