China Turned Its Rare-Earth Grip Into a Weapon. Japan's Defense Industry Is the Test Case.

Beijing doubled its sanctions list against Japanese defense and dual-use firms to 80 entities on June 29, and the companies Tokyo needs to build a drone fleet are now on it.

What happened

China's Commerce Ministry on June 29 added 20 Japanese entities to its dual-use export-control blacklist and put 20 more on a watch list, doubling the cumulative number of sanctioned Japanese organizations from 40 to 80, CNBC reported. The blacklist now carries Japan's National Institute for Defense Studies, its naval and ground systems research centers, and units of Mitsubishi Electric and Mitsubishi Heavy Industries. The watch list names Mitsui E&S, the ship-engine maker, divisions of Fujitsu and Komatsu, and two firms Tokyo is counting on to build a domestic drone fleet: Terra Drone and ACSL.

Chinese exporters, and any overseas company handling Chinese-origin goods, are now barred from shipping dual-use items to the blacklisted entities, and ongoing transactions must stop immediately, according to AP. Watch-listed firms lose access to general export licenses and have to file written pledges that nothing they buy will reach a military end use, per the policy analysis site Geopolitechs, which noted those license reviews carry no statutory deadline and can be delayed without limit. A Commerce Ministry spokesperson called the measures "completely justified, reasonable and lawful," the Japan Times reported, and tied them to what Beijing labels Japan's "remilitarization."

The trigger is explicit. China banned dual-use exports to Japan in principle on January 6, then sanctioned 40 entities across two rounds, after Prime Minister Sanae Takaichi told the Diet on November 7 that a Chinese attack on Taiwan could be a "survival-threatening situation" allowing Japan's forces to intervene. Tokyo called the new curbs unacceptable and asked Beijing to reverse them. On the same Monday, Japan's ruling party approved draft revisions to its core security documents that would lift the country's remaining arms-export limits and expand its missile arsenal.