[The US Uncovers China’s 'Hidden Artery' for AI: Global Semiconductor Cordon Completed]

The hidden artery fueling China’s rise as an AI superpower has been exposed by the United States. As the US Department of Commerce placed the export of advanced AI semiconductors to overseas subsidiaries of Chinese firms under strict licensing requirements, the circumvention networks that had historically operated via Southeast Asia have effectively entered a state of collapse. Washington has begun treating all entities owned by Chinese capital worldwide—not just those on mainland China—as targets for regulation. This signals a fundamental shift in the rules of the AI hegemony race, far transcending a mere tightening of export controls.

On June 2, the financial data and news platform Investing.com reported that "the US Department of Commerce issued new guidance on May 31 (local time) to plug potential regulatory loopholes." The report noted that "this effectively cuts off paths through which cutting-edge AI chips, including Nvidia’s Rubin and Blackwell processors and AMD’s MI350X, could be supplied via subsidiaries of Chinese companies located outside of China."

The outlet further analyzed that "this directive implies that top-tier US AI chips may have flowed into Chinese subsidiaries located in places like Malaysia for nearly a year," adding that "Washington appears to have belatedly realized the scale of this regulatory evasion, which is far more severe than previously estimated."

Notably, the measure, first reported by Reuters, was quietly published on the Commerce Department's website late Sunday night without any press conference or official briefing. Internal documents circulated within Washington political circles even used the phrase, "the floodgates have quietly opened." This underscores that the US government views the issue not as a routine trade dispute, but as an urgent matter of national security.

[A One-Year 'Secret Passage': What Has China’s AI Industry Secured?]

The root of the issue traces back to 2025. Introduced during the twilight of the Biden administration, the 'AI Diffusion Rule' mandated that sales of advanced AI semiconductors to overseas entities of Chinese companies require US government approval. However, the subsequent suspension of its enforcement created an unforeseen regulatory vacuum.

Chinese enterprises capitalized on this immediately. They began securing vast quantities of US-made AI semiconductors through foreign subsidiaries established in Malaysia, Singapore, and Thailand. Because the regulatory framework prioritized the fact that these entities were "located outside mainland China" over the nationality of their parent companies, backdoor procurement became entirely viable.

The Foundation for Defense of Democracies (FDD) analyzed the situation, stating, "This new directive serves to reaffirm that these past sales were, in fact, subject to licensing requirements from the very beginning." The foundation added, "Consequentially, this means a pipeline remained open for US companies to supply advanced AI chips to Chinese firms, whether intentionally or unintentionally."

[An Estimated Inflow of Hundreds of Thousands of Chips: Why Washington is Alarmed]

The actual fallout from this regulatory loophole was far larger than anticipated. Citing supply chain sources, Reuters reported that "the volume of cutting-edge AI chips traded through this specific channel over the past year could reach hundreds of thousands of units." This is not a volume meant for minor server upgrades; it is a scale sufficient to train dozens of Large Language Models (LLMs) simultaneously and operate massive AI data centers.

Chris McGuire, a former US State Department official and technology security expert, pointed out on social media that "this is a HUGE problem," adding that "it is highly probable that Chinese companies have secured Nvidia’s Blackwell chips on a massive scale."

The real shock for Washington, however, stems not just from the fact that Chinese companies acquired these chips, but from the reality that their ultimate end-use remains completely untraceable.

[Washington's True Objective: Halting the 'Militarization of AI']

The core intent behind this latest measure is not the mere containment of semiconductor commerce. It is a race against time regarding the militarization of AI. US security agencies have already concluded that the Chinese People’s Liberation Army (PLA) intends to leverage advanced AI semiconductors for nuclear weapons simulations, automated battlefield command systems, drone swarm operations, cyber warfare, and satellite imagery analysis.

Citing reports from The New York Times (NYT), the FDD stated, "The Chinese PLA has continuously attempted to procure advanced Nvidia chips both before and after the implementation of US export controls," adding that "evidence confirms intentions to utilize these chips to enhance nuclear weapons research, war simulation models, and cyberattack capabilities."

What Washington fears is not China building a superior chatbot. The true red line for the US is a scenario where China constructs a next-generation military AI architecture entirely outside the bounds of US regulatory oversight.

In future warfare, AI will function much like electricity or oil. The nation that secures superior computational power will command an overwhelming advantage in battlefield decision-making speed and unmanned operational capabilities. Ultimately, AI semiconductors are not commercial commodities; they are strategic assets.

[From 'Where' to 'Whose': The Rules of the Game Have Changed]

The profoundest implication of this directive lies in the evolution of the underlying philosophy of control. Traditional export controls operated based on the shipping destination. Now, the US looks directly at the ultimate ownership structure of the corporate entity. Whether it is a Malaysian or a Singaporean subsidiary, if the ultimate controlling interest lies in China, the US will treat it as an identical security threat.

This is more than a simple regulatory patch. It signifies a definitive assessment by Washington that "Chinese corporations can no longer be viewed as purely private entities." It means that Chinese enterprises, their foreign subsidiaries, data centers, research institutes, and investment vehicles are all viewed as instruments of China's state strategy.

This serves to close the structural loopholes within the existing export control system previously flagged by the Congressional Research Service (CRS), while marking a historic turning point that brings China's global corporate networks directly under the umbrella of US regulation.

[Lingering Loopholes: Will TSMC Be the Next Target?]

To be sure, the measure is not entirely airtight. The FDD highlighted a critical vulnerability: "The use of AI chips that have already been acquired continues to be permitted." Simply put, while the door has now been shut, the goods that made it inside remain untouched.

Chris McGuire pointed out another vulnerability, noting, "There is still no additional mandate forcing foundries like TSMC to verify the identity of the actual end-user." This implies that if Chinese companies utilize shell companies, avenues for circumvention during the manufacturing stage still exist.

Indeed, the US Department of Justice recently intercepted an illicit scheme exporting Nvidia chips to China via a shell company in Florida, and has exposed a separate smuggling ring accused of trafficking approximately $160 million worth of AI semiconductors to China.

[The Trump AI Cold War: This is Only the Beginning]

Viewing this measure as a mere administrative adjustment misses the broader picture. The Trump administration is redefining the competition with China not as a trade or tariff war, but as a war for AI hegemony. Semiconductors are the oil and ammunition of this conflict.

Reuters reported that "the US government is currently reviewing subsequent regulations, including on-site audits of installations housing over 2 million chips, an approval system for building AI supercomputers, mandatory registration for overseas data centers, and tightened end-user verification at the foundry level." In short, this measure is an opening salvo, not the final act.

[Conclusion: A New Era of Containment Has Begun]

The United States has begun tracking China not merely as a nation-state, but as a network. Whether dealing with a mainland Chinese enterprise, a Singaporean subsidiary, or a Malaysian data center—if the ultimate control traces back to China, it is classified as an identical national security threat.

This transcends conventional export controls. Much like how the US controlled strategic materials during the Cold War to check Soviet nuclear development, the US in the AI era seeks to control China’s computational capacity at its source.

The battlefield no longer ends at the semiconductor fabrication plant. The entire AI ecosystem—spanning chip design, manufacturing, distribution, servers, data centers, and end-users—has become the new frontline.

Ultimately, this measure is not a localized incident blocking a few Chinese firms from purchasing chips. It is a clear signal that the United States has defined the entire supply chain comprising China's AI industry as a singular theater of war, and has begun actively managing that battlefield.

The US-China tech hegemony race has entered a new phase. Going forward, victory will likely be determined not by who manufactures the most AI chips, but by who can more effectively choke off the opponent’s computational power and technological ecosystem.

This latest action may well be recorded as the first formal warning shot, signaling that the US has fully activated its massive AI containment architecture.