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Japan Condemns China’s Dual-Use Export Ban as Rare Earth Curbs Loom

Japan on Wednesday condemned China’s ban on dual-use exports to its military as “absolutely unacceptable,” warning that the move could be followed by broader restrictions on rare earth exports, escalating tensions between Asia’s two largest economies.

Dual-use items include goods, software, and technologies with both civilian and military applications, such as critical minerals used in drones and semiconductor manufacturing. Tokyo’s criticism came after Beijing announced a ban on exports to Japanese military users or for any purposes that could enhance Japan’s military capabilities.

Japan’s top government spokesman, Chief Cabinet Secretary Minoru Kihara, said the measure deviates sharply from international norms and unfairly targets Japan. He declined to specify which industries might be affected, noting that the scope of the restrictions remains unclear.

The dispute traces back to comments made late last year by Japanese Prime Minister Sanae Takaichi, who said a Chinese attack on democratically governed Taiwan could pose an existential threat to Japan. China considers Taiwan part of its territory, a claim Taiwan rejects. Beijing has demanded Takaichi retract the remarks, which she has refused to do, prompting a series of retaliatory measures.

Japanese markets reacted negatively, with the Nikkei 225 falling about 1% on Wednesday. Shares of major defense contractors Kawasaki Heavy Industries and Mitsubishi Heavy Industries were among the biggest decliners, each dropping around 2%.

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RARE EARTH CURBS IN FOCUS
Chinese state-backed newspaper China Daily reported on Tuesday that Beijing is considering tighter restrictions on rare earth exports to Japan, a move that could have far-reaching consequences for Japan’s manufacturing sector, particularly automobiles. Despite efforts to diversify supply since China curtailed rare earth exports in 2010, Japan still sources about 60% of its rare earth imports from China. For certain heavy rare earths used in electric and hybrid vehicle motors, dependence on China is nearly total, analysts say.

Japanese automaker Subaru said it is closely monitoring the situation, while Toyota Motor and Nissan Motor did not immediately comment.

According to Takahide Kiuchi, an economist at Nomura Research Institute, a three-month halt in Chinese rare earth exports could cost Japanese businesses 660 billion yen ($4.2 billion) and reduce annual GDP by 0.11%. A year-long ban could shave 0.43% off economic output.

Supply chain consultancy Tidalwave Solutions said Japan is unlikely to remain passive if the curbs expand. “If Japanese civilian or commercial entities are targeted, you could see retaliation,” said Cameron Johnson, a senior partner at the firm, adding that Tokyo could respond by restricting materials China needs for its own high-end manufacturing.

Adding to the strain, China on Wednesday launched an anti-dumping investigation into Japanese imports of dichlorosilane, a key chemical used in semiconductor production, according to China’s commerce ministry.

The standoff has already led Beijing to discourage travel to Japan, halt imports of Japanese seafood, and cancel bilateral meetings and cultural exchanges. Analysts say the dispute could drag on, drawing parallels to the 2012 row over disputed islands that froze high-level talks for more than two years.

China’s foreign ministry reiterated its demand that Japan retract the Taiwan-related remarks. “We urge the Japanese side to confront the root cause of the issue, reflect on its mistakes, and retract the erroneous remarks,” spokesperson Mao Ning said.

US approves Samsung, SK Hynix chipmaking tool shipments to China for 2026, sources say

The U.S. government has approved annual licences allowing Samsung Electronics and SK Hynix to ship chipmaking equipment to their factories in China in 2026, according to two people familiar with the matter. The move offers temporary relief to the South Korean firms amid tightening U.S. export controls.

One source said Washington has introduced an annual approval system for exports of semiconductor manufacturing tools to China. The decision follows a U.S. move earlier this year to revoke licence waivers that had allowed certain technology companies to continue shipments with fewer restrictions.

Previously, Samsung, SK Hynix and TSMC benefited from exemptions under Washington’s broad chip export restrictions targeting China. That special status, known as validated end user (VEU), is set to expire on December 31. After that date, shipments of U.S.-origin chipmaking equipment to their Chinese facilities will require individual export licences.

Samsung and SK Hynix declined to comment, while TSMC did not immediately respond to requests for comment. The U.S. Department of Commerce was not available for comment outside business hours.

The policy shift reflects Washington’s broader effort to curb China’s access to advanced American technology. The administration of U.S. President Donald Trump has been reassessing export controls it considers overly permissive under the previous Biden administration, according to people familiar with the matter.

China remains a critical manufacturing base for Samsung and SK Hynix, particularly for legacy memory chips. Demand for such chips has surged amid rapid expansion of AI data centres and tighter global supply, underscoring why continued access to chipmaking tools for their Chinese plants remains strategically important for the South Korean companies.

Exclusive: China mandates 50% domestic equipment rule for chipmakers, sources say

China is requiring chipmakers to use at least 50% domestically produced equipment when adding new manufacturing capacity, according to three people familiar with the matter, as Beijing intensifies efforts to build a self-sufficient semiconductor supply chain.

The requirement is not publicly documented, but companies seeking government approval to build or expand fabrication plants have been told in recent months that they must demonstrate—through procurement tenders—that at least half of their equipment will be sourced from Chinese suppliers, the sources said. Applications that fail to meet the threshold are typically rejected, although authorities may allow flexibility depending on supply constraints. For advanced production lines, where domestic tools are not yet fully available, the rules are applied more leniently.

The mandate represents one of the most significant steps China has taken to reduce reliance on foreign technology, a drive that accelerated after the United States tightened export controls in 2023, restricting sales of advanced AI chips and semiconductor manufacturing equipment to China. While those restrictions blocked access to the most advanced tools, the new rule is pushing Chinese chipmakers to choose local suppliers even in areas where foreign equipment from the United States, Japan, South Korea and Europe remains available.

“Authorities prefer it to be much higher than 50%,” one source said, adding that the long-term goal is for fabs to use entirely domestic equipment. China’s industry ministry did not respond to a request for comment.

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The policy aligns with President Xi Jinping’s call for a “whole-nation” approach to semiconductor self-sufficiency, involving thousands of engineers and researchers across companies and institutes. Reuters has previously reported that Chinese scientists are working on prototypes of advanced chipmaking machines—an area Washington has sought to restrict for years.

State-linked buyers have sharply increased orders for domestic tools. Public procurement data show that state-affiliated entities placed a record 421 orders this year for Chinese lithography machines and components, worth about 850 million yuan. Beijing has also poured hundreds of billions of yuan into the sector through the “Big Fund,” which launched its third phase in 2024 with 344 billion yuan ($49 billion) in capital.

The effects are already visible. China’s largest chip equipment maker, Naura Technology, is testing its etching tools on a cutting-edge 7-nanometre production line at SMIC, sources said, after successfully deploying tools on 14-nanometre lines. Etching equipment in China was previously dominated by foreign suppliers such as Lam Research and Tokyo Electron, but is now increasingly being replaced by domestic firms including Naura and AMEC.

Naura has also developed replacement components, such as electrostatic chucks, to keep foreign tools running after overseas suppliers curtailed services following export restrictions. Neither Naura, AMEC, SMIC, Lam Research nor Tokyo Electron responded to requests for comment.

Global competitors are watching closely as foreign suppliers are gradually squeezed out of the Chinese market. Naura filed a record 779 patents in 2025, more than double its filings in 2020 and 2021, while AMEC filed 259, according to data verified by Reuters. Stronger demand has translated into financial gains: Naura’s first-half 2025 revenue rose 30% to 16 billion yuan, while AMEC reported a 44% increase to 5 billion yuan.

Analysts estimate China has now reached roughly 50% self-sufficiency in photoresist-removal and cleaning equipment, a segment once dominated by Japanese firms. Industry sources say the domestic market is likely to be led by just a handful of major players, with Naura firmly among them.