From Twitter
"China dominates the refining and processing of critical minerals, controlling up to 90% of this stage of the midstream of the supply chain." - China Research Group
https://chinaresearchgroup.org/research/the-uk-and-china-critical-minerals
From Twitter
Jim Kennedy has good rants on this, though they tend to be light on details. He says China now has "the equivalent of five national laboratories that do nothing but rare earths." https://www.youtube.com/watch?v=dbbifeLRHIA