Chinahttps://www.argusmedia.com/metals-platform/price/assessment/tungsten-apt-fob-china--per-mtu-wo3--prices-PA00145020000
Besides restricting W exports to USA, they can also flood the globe with cheap APT. This keeps price of Tungsten low, creating problems for new developers. Crude tools that don't work well together, indeed, although each works at a different time-scale. Since both restrictions and dumping are at the whim of CCP, the collective West needs to have independent supplies, especially with defense-spending about to rocket.