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US Lawmakers Urge Tighter Curbs on China Chip Tools

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U.S. lawmakers are pressing for stricter export controls to limit China’s access to advanced semiconductor manufacturing equipment, warning that existing gaps pose risks to national security. In a bipartisan letter, senior members of the House called on the State and Commerce Departments to pursue broader, countrywide restrictions in coordination with allied nations.

House Select Committee on China Chairman John Moolenaar and House Foreign Affairs Committee Chairman Brian Mast urged tighter controls on key chipmaking tools and subcomponents that China cannot produce domestically. The letter was addressed to Secretary of State Marco Rubio and Commerce Secretary Howard Lutnick, and called for restrictions not only on new equipment sales but also on servicing existing tools operating in Chinese facilities.

Lawmakers argue that maintenance and software updates are critical for advanced chipmaking systems to remain operational, and limiting such support could slow China’s semiconductor progress. The request comes amid concerns that Beijing is accelerating imports of foreign-made equipment essential for producing high-end chips.

The debate has intensified following reports that Chinese researchers have developed a prototype lithography machine modeled on extreme ultraviolet systems produced by ASML. EUV lithography tools are considered crucial for manufacturing the most advanced chips used in artificial intelligence, smartphones, and defense systems.

Congressional leaders have asked the administration to provide a strategy briefing within a month outlining how it plans to secure allied cooperation on expanded export controls. The move reflects growing bipartisan consensus in Washington that semiconductor supply chains remain a central front in U.S.–China technological competition.

US Lawmakers Seek Congressional Scrutiny of TikTok Joint Venture Deal

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U.S. lawmakers said a proposed joint venture by TikTok and its Chinese parent ByteDance to avoid a nationwide ban requires close congressional scrutiny, citing unresolved national security concerns. The deal would create a majority American-owned entity to operate TikTok in the United States, with U.S. and global investors holding 80.1% and ByteDance retaining 19.9%.

Republican Representative Jack Moolenaar, chair of the House select committee on China, said lawmakers must examine whether China could still influence TikTok’s algorithm or access U.S. user data. Democratic Senator Ed Markey also criticised the lack of transparency, saying Congress has a duty to investigate whether the arrangement truly protects national security while keeping the app online.

TikTok said the new entity would safeguard U.S. data, apps and algorithms through enhanced cybersecurity and privacy measures, but disclosed few details. The White House and TikTok declined immediate comment. The agreement marks a key moment after years of political and legal battles over TikTok’s operations in the United States.

Trump Administration Pushes Out Official Who Banned Chinese Vehicles

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The Trump administration has pushed out a senior U.S. Commerce Department official whose office played a key role in effectively barring Chinese passenger vehicles from the American market on national security grounds, according to people familiar with the matter.

Elizabeth “Liz” Cannon has resigned as executive director of the Office of Information and Communications Technology and Services (ICTS), which was created in 2022 to investigate supply-chain threats posed by foreign adversaries. Sources said Cannon would have been reassigned if she had not stepped down, and that the administration plans to replace her with a political appointee. Her departure is expected to take effect on February 20.

Cannon’s exit comes amid a broader slowdown in proposed restrictions on Chinese technology imports. The Commerce Department recently withdrew plans to restrict Chinese drones and has put on hold rules targeting medium- and heavy-duty trucks from China. However, regulations finalized last year that effectively block Chinese passenger cars over data-security concerns remain in force.

President Donald Trump has sent mixed signals on the issue, saying he would welcome Chinese automakers that build factories and hire workers in the United States. The Commerce Department said recent staffing changes would strengthen its ability to address national security risks from foreign technology.

Analysts warn Cannon’s departure could weaken U.S. expertise in assessing long-term technology threats, even as Washington and Beijing maintain a fragile trade truce.