The U.S. needs more of this obscure metal — and China owns 80% of its supply chain

China dominates the supply chain for many of the world's critical minerals, but so far it's held off on sweeping restrictions on at least one: tungsten.

source https://www.cnbc.com/2024/07/03/us-needs-more-tungsten-china-is-a-major-supplier-of-the-critical-metal.html