Currently there are 50 entries on this list and the U.S. Geological Survey (USGS) estimates that China is the leading producer for 30 of them. From USGS data, Visual Capitalist’s Marcus Lu visualizes China’s share of U.S. imports for 10 critical minerals.

The USGS estimates that China could potentially disrupt the global rare earth oxide supply by cutting off 40–50% production, impacting suppliers of advanced components used in U.S. defense systems.

China’s controls were seen as a retaliation against the U.S. which has restricted the supply of chips, chip design software, and lithography machines to Chinese companies.

https://www.zerohedge.com/commodities/china-dominates-supply-us-critical-minerals-list