Despite Beijing’s signal to ease rare earth exports, global supply cutoffs will remain an ever-present threat, experts warned.

China has stopped almost all shipments of critical minerals that are needed for cars, robots, wind turbines, jet fighters and other technologies.

China's outbound shipments of rare earths in May jumped 23% on the month to their highest in a year, though Beijing's export curbs on some of the critical minerals halted some overseas sales, with shortages rippling through global manufacturing.