Rare earths covers the supply of lanthanide-series elements — including lanthanum, cerium, neodymium, samarium, dysprosium, erbium, and yttrium — used in aerospace applications such as high-energy permanent magnets (NdFeB, SmCo), phosphor coatings, laser gain media (Er:YAG), and as alloying additions to enhance high-temperature oxidation resistance and grain-boundary stability in structural components.
Who really supplies this sector?
See the supplier-reach leaderboard, the market-structure read (Top-5 share & HHI) and the full geographic breakdown — the intelligence buyers use to source and vet suppliers, and suppliers use to size up the competition.
