- China's export restrictions on key rare earths and the special metal gallium to Japan have persisted for four months, with shipments of core products like dysprosium, terbium, and yttrium oxide essentially at a standstill according to customs data. This has marginally tightened the supply chain for Japan's high-performance magnet and chip manufacturing industries.
- The Chinese Ministry of Foreign Affairs has confirmed the legal prohibition on exporting dual-use items to Japanese military users and for military purposes. The policy aims to curb Japan's remilitarization and nuclear ambitions, with geopolitical risks permeating the critical industrial minerals sector.
- Japan's Ministry of Economy, Trade and Industry (METI) has initiated a supply chain risk hedging plan, assessing the possibility of releasing national and private strategic reserves if necessary to alleviate downstream industries' concerns over supply shortages and price increases.
Monitoring Key Mineral Export Data
High-frequency trade data from China's General Administration of Customs (GACC) shows that since December last year, China's export curve of key rare earths and special metals to Japan has been flat. Specifically, exports of core additives like dysprosium and terbium used in high-performance magnet manufacturing, and yttrium oxide widely used in aerospace, have nearly ceased, with only sporadic shipments of yttrium oxide tracked. Meanwhile, the supply of the special metal gallium, a fundamental raw material for third-generation semiconductors and high-end chip manufacturing, has also stalled. As Japan's high-tech supply chain heavily relies on China for these refined intermediate products, the structural disruption of import channels is triggering inventory alarms among Japanese midstream material companies.
Policy Marginal Adjustments and Geopolitical Definition
This export interruption has clear policy control characteristics. At a recent routine press conference, the Chinese Ministry of Foreign Affairs attributed the change in trade flow to compliance control over dual-use item exports. Spokesperson Mao Ning publicly stated that China legally prohibits the export of dual-use items to Japanese military users and for military purposes, directly pointing out that the policy aims to curb Japan's remilitarization and nuclear ambitions. This statement marks an upgrade in China's export review of key minerals from routine trade compliance to precise interception targeting specific geopolitical defense risks. Given the downgrade in mutual trust in bilateral relations triggered by Sanae Takaichi's previous remarks on Taiwan, the probability of marginal easing of this restriction policy in the short term is low.
Supply-Side Risk Hedging Mechanism
Faced with a four-month supply gap in upstream raw materials, Japanese officials and industry are being forced to adopt counter-cyclical adjustment measures. Officials from Japan's Ministry of Economy, Trade and Industry have confirmed that Tokyo is taking necessary measures, including releasing government and private reserves at critical points to stabilize the market, though specific release scales and product details have not been disclosed. Currently, as the world's largest producer of rare earth magnets outside China, Japan's supply chain has an irreversible consumption of heavy rare earths. If the current review scope of dual-use items further expands, or if the export stagnation extends to conventional civilian-grade rare earth varieties, the pressure to pass on raw material costs faced by Japan's high-tech manufacturing industry will significantly increase, potentially leading to a decline in capacity utilization in some high-precision manufacturing sectors.
