Here is Reuters with a good piece on China rare earths.

  • Rare earth elements are used in a wide range of consumer products, from iPhones to electric car motors, as well as military jet engines, satellites and lasers.
  • Rising tensions between the United States and China have sparked concerns that Beijing could use its dominant position as a supplier of rare earths for leverage in the trade war between the two global economic powers

Here is the link for more.

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Have to admit I'm not totally across this but the last time this topic came up a while back it prompted other suppliers to enter the market, right?