This sourceDocuments supply-chain concentration risk where many downstream users funnel through a single dominant source/processor (China supplies the large majority of rare-earth extraction and the overwhelming majority of processing), so apparent supplier multiplicity masks one shared upstream chokepoint.
Supported in partVerified against the work's full text
IEA documents concentration of rare-earth and battery-material supply in one dominant processor (China), a rare-mineral source; no tier-1/sub-tier or transit-corridor framing.
“Reliance on a small number of suppliers increases vulnerability to shocks and disruptions, be it from extreme weather, technical failure or trade disruptions.”
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