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Chinese battery makers reportedly shut out of Japan's cybersecurity certification

News · Jul 1, 2026 · https://news.google.com/rss/search?q=site%3Adigitimes.com%20%28chip%20OR%20semiconductor%20OR%20TSMC%20OR%20foundry%20OR%20GPU%20OR%20AI%20OR%20wafer%20OR%20packaging%29%20when%3A2d&hl=en-US&gl=US&ceid=US:en
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Japanese media reports indicate that Chinese battery manufacturers are being excluded from Japan's cybersecurity certification process. This move suggests a tightening of national security measures by Japan, specifically targeting technology components from China. The exclusion could create new barriers for Chinese companies looking to supply the Japanese market with electric vehicle (EV) batteries.

This development is significant because it highlights escalating trade tensions and national security concerns between Japan and China. By restricting access for Chinese battery makers, Japan aims to reduce potential cybersecurity risks within its critical infrastructure and supply chains. This action could prompt other nations to review their own certification processes for foreign technology.

The mechanism involves Japan's cybersecurity certification framework, which now appears to be used as a tool to limit the entry of specific foreign technologies, in this case, EV batteries from China. Companies unable to obtain this certification would be effectively shut out of supplying Japanese industries, particularly the automotive sector. This forces Japanese automakers to seek alternative, non-Chinese battery suppliers.

This situation primarily impacts Chinese battery manufacturers like CATL and BYD, potentially limiting their access to the Japanese market. Conversely, it could benefit non-Chinese battery producers such as Panasonic (PCRFY) and LG Energy Solution (373220.KS), as Japanese automakers like Toyota (TM) and Honda (HMC) may accelerate efforts to diversify their EV battery supply chains away from China.

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