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China tightens port checks on Nvidia AI chips to enforce U.S. export curbs

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China has ramped up inspections on imported U.S. semiconductors, including Nvidia’s artificial intelligence chips, as part of a broader effort to strengthen oversight and promote domestic chip production, the Financial Times reported Friday.

Customs officials have reportedly been dispatched to major ports to scrutinize semiconductor shipments more closely. The inspections initially focused on Nvidia’s H20 and RTX Pro 6000D models — chips specifically designed to comply with U.S. export restrictions — but have since expanded to all advanced semiconductor products that could breach those controls.

Neither Nvidia nor China’s customs agency has commented publicly on the report, and Reuters said it could not independently verify the claims.

The move reflects Beijing’s deepening response to Washington’s tightening export rules, which have cut Chinese access to high-end chips used in artificial intelligence and supercomputing. The FT previously reported that over $1 billion worth of Nvidia’s top AI processors had been smuggled into China in just three months this year.

In recent months, Chinese authorities have also accused Nvidia of antitrust violations and ordered local tech giants to suspend chip purchases. While Huawei and other domestic firms have advanced their semiconductor capabilities, engineers within China’s tech sector acknowledge Nvidia’s chips remain unmatched in performance.

The heightened inspections come amid a geopolitical tug-of-war over AI leadership, with U.S. President Donald Trump signaling in August that he might loosen some restrictions on Nvidia’s exports to China — a move that could reshape the delicate balance in the global chip race.

China tightens rare earths export rules, adds semiconductor and defense curbs

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China sharply expanded its rare earths export restrictions on Thursday, adding five new elements and imposing stricter controls on semiconductor and defense users, in a move seen as tightening Beijing’s grip on critical materials ahead of Trump–Xi talks later this month.

The Ministry of Commerce said the new rules include holmium, erbium, thulium, europium, and ytterbium, bringing the total number of restricted rare earths to 12. Dozens of refining technologies were also added to the control list, while foreign companies using Chinese materials or equipment will now need a Chinese export licence — even if the finished product is made abroad.

China produces over 90% of the world’s processed rare earths, which are vital for EVs, aircraft engines, radars, and advanced chips. The new curbs come amid escalating U.S.–China tech tensions, following American calls to expand chip export bans.

Beijing said the rules will take effect November 8, with extra measures for foreign users from December 1. It also stated that defense-related users will not be granted licences, and chipmakers working on 14-nanometer or smaller chips and AI with military potential will face case-by-case reviews.

“The move helps Beijing gain leverage ahead of the Trump–Xi summit,” said Tim Zhang of Edge Research. Analysts described the controls as part of a global supply chain split, with China localizing production while the U.S. and allies accelerate their own.

Shares in Chinese and U.S. rare earth firms surged on the news, as investors braced for a new phase of strategic competition over the world’s most critical materials.

China summons ByteDance, Alibaba platforms over online content violations

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China’s Cyberspace Administration of China (CAC) has summoned ByteDance’s Toutiao news platform and Alibaba’s UCWeb browser unit for alleged content violations, adding them to the growing list of tech firms targeted in Beijing’s online crackdown.

According to separate statements issued Tuesday, both platforms were recently penalized for “disrupting the online ecosystem order,” with CAC imposing strict disciplinary actions against responsible personnel.

Alleged violations:

  • Toutiao: Allowed “harmful content” to appear in trending topic lists and other features.

  • UCWeb: Allowed non-authoritative sources and non-mainstream media to dominate trending topics, including coverage of sensitive and malicious events such as cyberbullying and the privacy of minors.

The summons comes as CAC launches a two-month nationwide campaign to remove violent or hostile content, part of a long-running effort to promote a “clean and healthy cyberspace” that aligns with Communist Party socialist values.

Industry-wide sweep

Toutiao said it welcomed the action, pledging to form a task force to combat non-compliant content and trolling. UCWeb has yet to issue a public statement.
CAC has also taken action in recent weeks against Kuaishou, Weibo, and Xiaohongshu (RedNote) for similar violations.

Wider regulatory push

The crackdown comes amid growing concern about public sentiment, as China faces economic headwinds and persistent youth unemployment. Other regulators are also stepping up:

  • The market watchdog summoned logistics platform Huolala over anti-monopoly compliance.

  • Days earlier, it launched an investigation into Kuaigou, an e-commerce arm of Kuaishou, for suspected e-commerce law violations.

Huolala described its summoning as a “profound wake-up call,” vowing stricter compliance going forward.

Beijing’s message is clear: online platforms must not only police content but also align with the state’s broader political and social stability agenda.