China tightened its export controls on Japan in early January 2026. Under an announcement issued on January 6, Beijing strengthened controls on dual-use items destined for Japan, meaning goods that can serve both civilian and military purposes.
The move followed remarks by Prime Minister Sanae Takaichi on Taiwan in November 2025. According to the US Congressional Research Service, China then imposed Japan-specific restrictions on certain goods containing rare earth elements.
Bloomberg framed the measures as a test of US President Donald Trump’s support for Japan, coming months after he said he had settled the rare-earth issue for the world. Analysts noted that the wording is vague, which leaves Beijing room to decide how strictly to apply the curbs.
Why manufacturers are exposed
Rare earths are used in motors and electronics, so uncertainty about how the rules will be applied makes buyers review supply contracts and look for alternative sources. Our Technology section covers the industries most affected, and Markets tracks how investors react.
Source: US Congressional Research Service (IF12517, updated 4 November 2026); Bloomberg, 7 January 2026; Military.com, 7 January 2026.
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