85% of the global supply of Tungsten is China.
It's used in all AP bullets.
It's used in all AP tank shells.
It's used in all Howitzer artillery shells.
It's used in all of america's big bombs being dropped in Israel.
This is used in all of America's weapons given to Ukraine. They are literally not producing artillery shells right now because they do not have materials and can not source materials elsewhere in the world for the quantity of production they need to maintain their wars.
They simply can not maintain a trade war while maintaining actual war. One or the other has to stop.
The US produces 0 Tungsten.