Magnets are made with rare earths, most of which come from China
—”Magnets are made with rare earths,”
Rare earths are not actually rare!
But the green nuts have shut down most US mines.
Yes, the Chinese do most of the processing, again because of the greens; and because they wanted to learn the business.
And they learned a lot!
See:
https://www.wsj.com/articles/rare-truths-about-chinas-rare-earths-11614814070