China's exports of rare earth magnets to the United States in June soared to more than seven times their May level, marking a sharp recovery in the flow of critical minerals used in electric vehicles and wind turbines after a Sino-U.

It is an opportunity to build domestic capacity, strike deals with other countries and address dependency in its green energy transition.

China's Ministry of State Security says it is cracking down on alleged smuggling of rare earths materials that it says threaten national security.