Hello, I'm Ryuta Hamamoto from TIMEWELL. Today I want to walk through a development in security trade control that no Japanese company can afford to ignore.
On February 24, 2026, China's Ministry of Commerce abruptly announced tighter export restrictions targeting 40 Japanese companies and organizations, primarily defense-related entities. For many Japanese companies, especially in manufacturing, this has the potential to shake the foundations of their supply chains. What is actually happening, and how should we prepare? Let me dig into the facts based on primary sources.
The Symmetry Now Visible in May 2026: Japan and China Are Moving in Mirror Image
First, let me reset the picture as of May 2026. The February 24 measure that prompted the original article now has to be understood inside a much larger frame.
The first piece is that on April 21, 2026, the Japanese government amended the "Three Principles on Defense Equipment Transfer" and the related operational guidelines[^1]. After formal decisions by the National Security Council (NSC) and the Cabinet, the long-standing "five categories" that bound arms exports (rescue, transport, alert, surveillance, and minesweeping) were abolished, and the transfer of lethal weapons became possible in principle. The eligible recipient countries are limited to states that have signed a defense equipment transfer agreement with Japan, currently 17 countries including the United States, Australia, and the Philippines.
The second piece is that earlier in the year, China had already tightened its export controls on dual-use items destined for Japan[^2]. The February 24 measure against 40 companies was less a sudden one-off event than the visible surfacing of a sequence of moves that had been building since the start of the year.
On top of that, tensions in the Middle East have made a Strait of Hormuz blockade scenario credible. Goldman Sachs has put out a $120 oil estimate, and energy-side risk is running in parallel with export control risk. Export controls and crude oil look like separate stories, but for anyone responsible for supply chain or business continuity planning, they are the same kind of risk hitting the same plan. For more on that energy angle, see our companion piece "Impact of a Strait of Hormuz Blockade on the Japanese Economy."
In short, what export control practitioners need to look at as of May 2026 is not just "China's restrictions on Japan" in isolation. It is the bundled picture of China's measures, Japan's loosening of arms exports, Middle East risk, and the extraterritorial reach of US EAR rules.
[Self-Check] Does your supply chain include any of these 40 entities?
Major manufacturers such as Mitsubishi Heavy Industries, Kawasaki Heavy Industries, SUBARU, TDK, and ENEOS are on the list. Because China's Ministry of Commerce designations reach through parents, subsidiaries, and group companies, every export control practitioner in manufacturing is now expected to confirm whether their own component sourcing and sales channels carry a chained exposure.
Upload your counterparty list and TRAFEED cross-references it against global sanctions lists, denied-party lists, and the new 40-company designations, returning a determination with the underlying evidence in roughly five seconds.
Talk to us about checking exposure to the 40-company restrictions (30 min)
Why Is China Tightening Controls Now?
On the surface, this tightening is framed as a measure "to protect national security and interests." China's Ministry of Commerce has stated in its public notice that the move is intended to prevent Japan's "remilitarization" and pursuit of nuclear capability, and that the measure is "completely justified, reasonable, and lawful"[^3]. As a practical trigger, the prevailing view is that Prime Minister Sanae Takaichi's Diet remarks regarding a Taiwan contingency accelerated China's response.
In an era where the US-China contest for technological dominance is intensifying and geopolitical bloc formation is advancing worldwide, the risk that political tensions will suddenly hit your own business has become very real. International affairs are no longer something happening in the news. They are an essential element every company has to factor into its business continuity planning.
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The Core of the Regulations: The "Export Control List" and the "Watch List"
The current restrictions are not a single measure. They consist of two lists with different characters, and each requires a different response[^4].
Export Control List (Effectively an Export Ban)
The 20 companies and organizations placed on this list are in effect blacklisted. Exports of dual-use items that could be diverted to military use are prohibited to these entities in principle. Just as important, the measure also prohibits organizations and individuals outside China from supplying Chinese-origin dual-use items to listed entities. This should be read as China stepping into de facto extraterritorial application. An exceptional licensing mechanism does exist, but the realistic posture is to assume the door is extremely narrow. The list includes major subsidiaries of Mitsubishi Heavy Industries and Kawasaki Heavy Industries, plus the Japan Aerospace Exploration Agency (JAXA), all of them at the core of Japan's technology development.
Watch List (Subject to Strict Review)
Sometimes called the Watchlist, this second list includes 20 companies and organizations across a broader range of sectors, including SUBARU, TDK, and ENEOS. Exports of dual-use items to these entities are not banned, but they are subject to extremely stringent case-by-case review. General licenses and registration-based filings cannot be used. For every transaction, a risk assessment report and a written pledge stating the deal "does not contribute to Japan's military enhancement" must be submitted. The review process is also expected to be lengthy, which will clearly slow business velocity.
Complete List of All 40 Companies and Organizations
The implications go beyond the companies directly listed. You need to examine carefully whether your own supply chain, including component suppliers and product customers, contains any of these companies.
Export Control List (Effectively Export-Banned)
| No. | Company or Organization |
|---|---|
| 1 | Mitsubishi Shipbuilding Co., Ltd. |
| 2 | Mitsubishi Heavy Industries Aero Engines, Ltd. |
| 3 | Mitsubishi Heavy Industries Marine Machinery and Engine Co., Ltd. |
| 4 | Mitsubishi Heavy Industries Engine and Turbocharger, Ltd. |
| 5 | Mitsubishi Heavy Industries Maritime Systems Co., Ltd. |
| 6 | Kawasaki Heavy Industries, Aerospace Systems Company |
| 7 | Kawaju Gifu Engineering Co., Ltd. |
| 8 | Fujitsu Defense and National Security Limited |
| 9 | IHI Power Systems Co., Ltd. |
| 10 | IHI Master Metal Co., Ltd. |
| 11 | IHI Jet Service Co., Ltd. |
| 12 | IHI Aerospace Co., Ltd. |
| 13 | IHI Aero Manufacturing Co., Ltd. |
| 14 | IHI Aerospace Engineering Co., Ltd. |
| 15 | NEC Network and Sensor Systems, Ltd. |
| 16 | NEC Aerospace Systems, Ltd. |
| 17 | Japan Marine United Corporation |
| 18 | JMU Defense Systems Co., Ltd. |
| 19 | National Defense Academy of Japan |
| 20 | Japan Aerospace Exploration Agency (JAXA) |
Watch List (Subject to Individual License Application)
| No. | Company or Organization |
|---|---|
| 1 | SUBARU Corporation |
| 2 | Fuji Aerospace Technology Co., Ltd. |
| 3 | ENEOS Corporation |
| 4 | Yusoki Co., Ltd. |
| 5 | Itochu Aviation Co., Ltd. |
| 6 | Leda Group Holdings Co., Ltd. |
| 7 | Tokyo University of Science |
| 8 | Mitsubishi Materials Corporation |
| 9 | ASPP Co., Ltd. |
| 10 | Yashima Denki Co., Ltd. |
| 11 | Sumitomo Heavy Industries, Ltd. |
| 12 | TDK Corporation |
| 13 | Mitsui Bussan Aerospace Co., Ltd. |
| 14 | Hino Motors, Ltd. |
| 15 | TOKIN Corporation |
| 16 | Nissin Electric Co., Ltd. |
| 17 | Suntechno Co., Ltd. |
| 18 | Nitto Denko Corporation |
| 19 | NOF Corporation |
| 20 | Nacalai Tesque, Inc. |
[Impact Assessment Checklist] Five items to verify internally in response to the 40-company restrictions
- Are any subsidiaries of the 40 listed entities among your key component suppliers?
- Is there any chance your sales channels or distributors are indirectly delivering to the 40 entities?
- Are you running any scheme that re-exports Chinese-origin dual-use items from outside China?
- For transactions with the 20 Watch List companies, are you ready to produce a "risk assessment report and written pledge"?
- Have you updated your internal item master to reflect the January 6, 2026 tightening of China's dual-use export controls (Notice 2026 No. 1)?
If even one item is unanswered, TRAFEED's individual consultation can untangle it in under 30 minutes.
Three Risks on the Horizon
The impact on Japanese companies is not just about a single transaction being suspended. There are deeper, more structural risks underneath.
Supply Chain Disruption
If you source critical components or materials from companies on the restricted list, continuing operations may become difficult. If a substitute supplier can be found quickly, that helps. But if the items are specialty products that can only be made in Japan or by a specific company, production line stoppages or product development delays become unavoidable.
Unintentional Regulatory Violations
The most worrying risk is "indirect export." Even if your direct counterparty is fine, if the products you exported eventually reach a restricted company further down the distribution chain, you yourself can become subject to sanctions. Avoiding this requires verifying all the way to the end of your supply chain that no counterparty appears on any restricted list. The scale of that work is daunting.
Cascading Regulatory Expansion
China's government has commented that "honest companies that comply with the law have nothing to worry about," but I think taking that at face value is too optimistic. Just as the US Export Administration Regulations (EAR) introduced the Affiliates Rule, automatically extending restrictions to subsidiaries in which a listed company holds 50 percent or more of shares, there is every reason to expect China's regulations to similarly cascade into affiliated companies over time.
The Symmetry with the April 21, 2026 Three Principles on Defense Equipment Transfer Amendment
Here is the most important point in this May update. When discussing China's measures targeting Japan, treating them in isolation from Japan's amendment of the Three Principles on Defense Equipment Transfer means looking at only half of reality.
On April 21, 2026, the Ministry of Economy, Trade and Industry (METI) and the Ministry of Defense, following NSC and Cabinet decisions, amended the Three Principles on Defense Equipment Transfer and parts of the operational guidelines[^1][^5]. The four key changes are:
- The "five categories" of rescue, transport, alert, surveillance, and minesweeping are abolished.
- The transfer of lethal "weapons" is made possible in principle.
- Recipients are limited to countries that have signed a defense equipment transfer agreement with Japan (currently 17 countries including the United States, Australia, and the Philippines).
- Transfers to combatant parties remain prohibited in principle, with exceptions only under "particular circumstances."
In other words, Japan has clearly taken a step toward becoming a country that "can export weapons." What matters here is that China's blacklisting of Japanese companies and Japan's loosening of arms exports are happening at almost the same time, in parallel.
This is not a coincidence. Japan and China are exchanging blows on the same table, each issuing regulations that target the other side's supply chain and defense industry. For export control practitioners, the era when it was enough to watch only the regulations of your counterparty country is over. China's sanctions list and Japan's licensing regime now have to be viewed in the same screening flow.
For background on the Three Principles themselves, see "Three Principles on Defense Equipment Transfer: Complete Guide" for a detailed overview that pairs well with this article.
Five Practical Actions Every Corporate Export Control Practitioner Should Take Now
With the situation laid out, here is what frontline export control practitioners should do starting tomorrow, in order of priority.
1. Re-screen Your Entire Counterparty Database
First, run a full match between your customer master and supplier master against the 40 newly added companies and organizations. Ideally include not only direct trade but also delivery destinations through subcontractors and distributors. Watch for naming variations as well (full-width versus half-width characters, former corporate names, English-language names). If your system cannot recognize that "Mitsubishi Heavy Industries Marine Machinery" and "三菱重工マリンマシナリ" are the same company, misses will happen.
2. Inventory the Flow of Chinese-Origin Goods
The crucial point of the Export Control List measure is that it also prohibits operators outside China from supplying Chinese-origin dual-use items. Inventory your materials, components, and equipment sourced from China to confirm there is no path through which they ultimately reach the 20 Export Control List companies. You need to lock down both the inlet (where Chinese-origin goods enter) and the outlet (where they leave).
3. Revisit Your Classification (Non-Applicable Certificate) Workflow
If transactions with Watch List companies remain, you will be required to submit written documentation that the deal "does not contribute to Japan's military enhancement." It is worth revisiting the format of your classification documentation and the approval flow once more. If you are uncertain about the classification process itself, see "Non-Applicable Certificate: Complete Guide."
4. Update Internal Rules and Training
Many companies revise their export control rules and training materials only once every six months or so. Both China's measures and Japan's amendment of the Three Principles are events that should be written into the rules. Make sure each function (sales, procurement, logistics) gets a short but clear update on what changed and how their day-to-day actions need to change.
5. Consider Automation and AI Screening
To be honest, manual operations have hit their limit. A company that screens only a few dozen times a month can manage by hand, but a global manufacturer running tens of thousands of transactions a year would take weeks just to reflect 40 newly added entities into its master data. Adopting AI-based automated matching is no longer "if we can." It is a "we'll have an incident if we don't" phase.
Further reinforcing this point, in December 2025 METI released its "Analysis of FEFTA Violation Cases (FY2024)"[^meti2024]. Of all violations, 52% originated in classification (gainai/gaitou) decisions and 36% stemmed from management framework gaps (lack of awareness of FEFTA or insufficient knowledge). Even before China's 40-company designations targeting Japan, Japanese export controls had already passed the breaking point of manual operations. That is the reality on the ground.
Manual Review Is No Longer Enough. Upgrade Export Controls with AI.
If reading this has made you anxious about your own compliance framework, you are not alone. Sanctions lists from countries around the world keep growing, ownership structures keep getting more entangled, and the latest regulatory updates are released in English and Chinese. Tracking all of this manually while maintaining a perfect compliance posture is not realistic.
The AI export control agent TRAFEED (formerly ZEROCK ExCHECK), developed by TIMEWELL, was built precisely to solve these challenges.
Simply upload your counterparty list, and the AI instantly cross-references it against sanctions lists and risk information from around the world, returning a risk determination in as little as five seconds. Because the system clearly shows the information sources behind each determination, it powerfully supports the judgment of compliance officers and produces records that can withstand audit scrutiny.
AI monitors foreign news and corporate databases 24 hours a day, picking up risk signals that humans cannot keep up with. It automatically traces ownership chains through parent companies and subsidiaries, surfacing hidden risks. When regulations change or new lists are released, the system reflects the update immediately so screening is always based on the current regulatory environment.
China's current measures are a starting gun telling every Japanese company to move beyond the old export control framework. Why not free your team from heavy screening work and redirect resources toward R&D and new market development, where they should be?
If you are thinking, "I want to check whether my supply chain has any exposure" or "I want to review my export control framework," please reach out through the TRAFEED individual consultation form. You can also see the service overview on the TRAFEED service page.
[Who this is for]
- Your counterparty database exceeds 10,000 companies and manually screening against the 40-company list is no longer realistic
- Overseas offices and group companies cannot keep up with screening in English and Chinese
- For transactions with the 20 Watch List entities, you cannot meet the deadline for the "does not contribute to Japan's military enhancement" written pledge
- You cannot consolidate announcements from China's Ministry of Commerce, the US BIS, and the European Commission in one place
- Classification operations are heavily dependent on individuals and carry retention risk
Book a TRAFEED individual consultation (30 min) / See the TRAFEED service overview
Related Articles
- Three Principles on Defense Equipment Transfer: What Changed in the April 21, 2026 Amendment and Five Practical Points for Export Control Practitioners
- Non-Applicable Certificate: Classification Procedures, Parameter Sheets, and the Latest Catch-All Practice
- 52% of FY2024 FEFTA Violations Originated in Classification — The Five Fatal Patterns in Japanese Export Controls and How to Prevent Them
- Impact of a Strait of Hormuz Blockade on the Japanese Economy
Navigating Change Toward the Future
China's current export restrictions are not a temporary phenomenon. As the structure of the global economy undergoes fundamental transformation, these are the opening moves of a "new reality" that Japanese companies will encounter many more times in the years ahead. The fact that Japan's amendment of the Three Principles and China's restrictions targeting Japan are running in parallel at the same time is the symbol of that reality.
Rather than fearing this change as pure risk, treat it as an opportunity to make your supply chain and risk management framework more robust and refined. That forward-looking posture is, in my view, the key to navigating an era of uncertainty.
References
- China imposes export restrictions on 20 Japanese companies including Mitsubishi Heavy subsidiaries and JAXA - Sankei News
- China acts against 40 Japanese entities over military ties - The Japan Times
- China has added Mitsubishi Shipbuilding Co., Ltd. and 19 other Japanese entities to its export control list - futunn.com
- China has placed 20 Japanese entities, including Subaru (7270.JP), on a watchlist - futunn.com
- China imposes restrictions on Subaru, TDK, trading house affiliates - Nikkei Asia
- Partial Amendment of the "Three Principles on Defense Equipment Transfer" (METI, April 21, 2026)
- Tightening of China's Export Controls on Dual-Use Items Destined for Japan (CISTEC, January 6, 2026)
- Promulgation of the "Export Control List" and "Watch List" (Anderson Mori and Tomotsune, China Legal Update, March 2, 2026)
- Information on China's Economic Security System (JETRO, April 2026)
- Cabinet Order Partially Amending the Export Trade Control Order (METI, November 11, 2025)
[^1]: Ministry of Economy, Trade and Industry (METI), "Partial Amendment of the 'Three Principles on Defense Equipment Transfer'" (April 21, 2026) https://www.meti.go.jp/press/2026/04/20260421003/20260421003.html [^2]: CISTEC, "Tightening of China's Export Controls on Dual-Use Items Destined for Japan" (January 6, 2026) https://www.cistec.or.jp/service/keizai_anzenhosho/china/data/20260106-2.pdf [^3]: Anderson Mori and Tomotsune, "Promulgation of the 'Export Control List' and 'Watch List' (February 24, 2026)," China Legal Update (March 2, 2026) https://www.amt-law.com/asset/pdf/bulletins7_pdf/CPG_260302.pdf [^4]: JETRO, "Information on China's Economic Security System" (April 2026) https://www.jetro.go.jp/ext_images/_Reports/01/0c5708e0b901ba0b/20260004_01.pdf [^5]: METI, "Cabinet Order Partially Amending the Export Trade Control Order" (November 11, 2025) https://www.meti.go.jp/press/2025/11/20251111001/20251111001.html [^meti2024]: Ministry of Economy, Trade and Industry, "Analysis of FEFTA Violation Cases (Security Trade Control) (FY2024)" (December 2025) https://www.meti.go.jp/policy/anpo/gaitameho_document/ihanjireigaitamehou6.pdf
![[2026-May Update] China's Export Restrictions Targeting Japan: Complete Guide to the 40-Company Watchlist, Dual-Use Controls, and Corporate Response](/images/columns/china-japan-export-control-2026/cover.png)