President Donald Trump called China the "biggest abuser of them all" when it comes to tariffs, adding Monday that Beijing is ignoring his warnings "not to retaliate."

China has expanded its use of critical minerals as a trade weapon with curbs on exports of rare earths, threatening to shake-up the global supply of key materials used widely in high-tech manufacturing from electric vehicles to weaponry.

The move came two days after President Donald Trump imposed the same tariff on all Chinese imports, bringing the total U.S. tariff on Chinese goods to at least 54%.

Threats and pressure are not the right way to deal with China, a Chinese foreign ministry spokesperson said on Monday after describing U.S. President Donald Trump's "reciprocal tariffs" as bullying.

China on Monday accused the U.S. of unilateralism, protectionism and economic bullying with tariffs. “Putting the U.S. first over international rules is a typical act of unilateralism, protectionism and economic bullying,

China is accusing the U.S. of bullying with tariffs imposed by President Trump and said Washington is pursuing the wrong approach in dealing with Beijing. The tariffs are “typical unilateral and protectionist bullying,