China has intensified its control over rare-earth exports, citing national security concerns, which is particularly significant as these minerals are essential for manufacturing smartphones and fighter jets. This move comes amid ongoing tense trade negotiations with the United States, raising fears of further economic friction between the two nations. The implications of these restrictions could ripple through global supply chains, affecting technology production and international relations.

China's recent decision to tighten its control over the export of rare earths is raising concerns globally, especially as these materials are essential for a wide range of technologies, from smartphones to fighter jets. This move could impact international supply chains and heighten tensions ahead of upcoming talks with Trump, making it a significant development in the ongoing trade dynamics.