China Expands Rare Earth Export Controls
China | United States
The announcement, made ahead of talks between Presidents Donald Trump and Xi Jinping, tightens Beijing’s hold over a sector where China processes more than 90% of the world’s rare earths and permanent magnets.
Holmium: used in high-performance magnets, semiconductors, laser surgery devices and control rods for nuclear reactors.
Erbium: a key material for fibre‑optic telecommunications and infrared technologies; erbium oxide is used in infrared‑absorbing glass.
Thulium: applied in X‑ray equipment, lasers and microwave ceramics; it fluoresces under UV light and helps anti‑counterfeiting.
Europium: highly reactive and fluorescent; used in control rods, medical imaging phosphors and magnetism research.
Ytterbium: volatile but useful as an X‑ray radiation source, in nuclear medicine, as a catalyst and in quantum computing research.
The move could tighten global supply chains for electric vehicles, aerospace and defence applications, accelerating diversification and stockpiling efforts by manufacturers and governments.