The U.S. needed about 48,000 metric tons of rare earth magnets last year, but domestic sources supplied just 300. China makes over 90% of world supply, and a Pe...
The U.S. needed about 48,000 metric tons of rare earth magnets last year, but domestic sources supplied just 300. China makes over 90% of world supply, and a Pentagon ban on Chinese magnets starts Jan. 1. #RareEarths#China#Defense#Magnets
