China has cut critical mineral exports to Japan since January 2026, costing businesses an estimated $4.2 billion as rare earth supply chains face prolonged

Japan's rare earth magnet makers face a prolonged supply crunch as China's exports of crucial heavy rare earths like dysprosium and terbium remain negligible. This diplomatic…

China's rare-earth magnet exports to Japan fell sharply in May, threatening manufacturing supply chains in Japan and potentially South Korea.