The statement came after U.S. President Donald Trump said that both sides had signed a trade deal, without providing further details.

The U.S. and China have agreed on the framework for a trade deal, both nations say. It appeared critical rare earth minerals could be a key part of it.

President Donald Trump says the United States and China have signed a trade agreement amid efforts to end a trade war between the world’s biggest economies. “We just signed with China the other day,” Trump said during an event at the White House late on Thursday, without providing further details.