Chinas rare-earth curbs squeeze Japanese manufacturers

Published: Tuesday, June 23, 2026 at 12:08 am

China's Rare-Earth Export Curbs Impact Japanese Manufacturers

Exports of rare-earth magnets from China to Japan experienced a significant downturn in May, with a 34.6% decrease compared to April, according to Chinese customs data. This sharp decline, totaling 123 metric tons, has raised concerns among Japanese manufacturers that stricter licensing reviews, rather than a global dip in demand, are the primary cause of disrupted supplies. Shipments to Japan have consistently remained below 200 tons since March.

The broader trend shows a 7.7% decline in China's total rare-earth magnet exports worldwide in May, but the reduction in shipments to Japan was more than four times this overall rate. This suggests a targeted impact on Japanese industries. The issue is not an inability for Japanese companies to export their own products, but rather a challenge in obtaining Chinese government approval for importing essential rare-earth magnets and related materials.

These tighter controls were implemented by China in January, specifically prohibiting exports intended for Japanese military users, military purposes, or any use that Beijing deems could enhance Japan's military capabilities. This action follows a more comprehensive Chinese licensing system for certain medium and heavy rare-earth products introduced in April of the previous year. China asserts these measures are for national security and to prevent the proliferation of sensitive materials. However, Japanese officials and businesses view these restrictions as occurring amidst deteriorating diplomatic relations between Beijing and Tokyo.

Rare-earth magnets are critical components in a wide array of modern technologies, including electric and hybrid vehicle motors, industrial robots, factory automation, wind turbines, electronic components, and defense systems. While Japan possesses advanced capabilities in magnet production and specialized material processing, it remains reliant on China for many raw materials and intermediate products. Consequently, delays in Chinese export approvals could have a cascading effect on Japanese automakers, machinery producers, and electronics manufacturers.

Beyond rare-earth magnets, supplies of tungsten carbide have also been affected. China recorded no exports of tungsten carbide to Japan for four consecutive months starting in February. Tungsten carbide is a vital hard material used in cutting tools, automotive components, semiconductor equipment, precision machinery, and metalworking. Chinese officials maintain that legitimate civilian trade should not be impacted, but companies report that authorities sometimes require extensive documentation regarding end-users and intended product applications, particularly for items with potential dual civilian and military uses.

Japanese electronic components manufacturer TDK has acknowledged that China's rare-earth controls have made material procurement increasingly challenging, prompting the company to diversify suppliers and develop magnets requiring fewer rare-earth materials. The supply concerns may also extend to South Korean manufacturers, given the close ties between South Korean automotive, battery, electronics, semiconductor equipment, and machine-tool companies and their Japanese suppliers. Disruptions in Japan could lead to delivery delays, increased component costs, and additional expenses for South Korean firms seeking alternative sources. These restrictions highlight the economic security challenges faced by both South Korea and Japan as they strive to lessen their dependence on Chinese critical minerals.

BNN's Perspective:
The current situation underscores the complex interplay between geopolitical tensions and global supply chains. While China's stated rationale for export controls centers on national security, the timing and impact on key Japanese industries suggest a broader strategic dimension. For nations heavily reliant on critical minerals, diversifying supply sources and investing in domestic production capabilities are becoming increasingly imperative to mitigate future vulnerabilities and ensure economic stability. A balanced approach that prioritizes open trade while addressing legitimate security concerns is crucial for fostering a predictable and resilient global economic environment.

Tags: China, rare-earth magnets, Japan, exports, manufacturing, electric vehicles, industrial robots, advanced manufacturing, licensing, customs data, tungsten carbide, dual-use exports, national security, diplomatic relations, supply chains, economic security, South Korea

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