Tech War Heats Up: China Ditches Nvidia for Homegrown AI Power

China Urges Tech Firms to Avoid Nvidia's AI Chips Amid Security Fears and Trade Tensions

In a significant escalation of the ongoing US-China technology rivalry, Chinese authorities have reportedly instructed major domestic companies to halt purchases and usage of Nvidia's H20 artificial intelligence processors, citing national security concerns. This move comes just weeks after the Trump administration approved the resumption of sales of these lower-end AI chips to China, highlighting the fragile and transactional nature of bilateral tech trade relations.

Background: The Trump-Nvidia Deal and US Export Controls

The saga began earlier this year when the US imposed strict export controls on advanced AI chips to China, driven by fears that such technology could bolster Beijing's military capabilities. Nvidia, the dominant player in the AI chip market, was particularly affected, as China previously accounted for a substantial portion of its revenue. In a controversial deal, the Trump administration recently allowed Nvidia and rival Advanced Micro Devices (AMD) to resume shipments of scaled-down chips like the H20 to China. In exchange, the companies agreed to remit 15% of their China-derived revenue to the US government.

 President Donald Trump described the H20 as "obsolete" but maintained that it "still has a market" in China, emphasizing a pragmatic approach to balancing national security with economic gains.

This arrangement was seen as a potential win for Nvidia, which had lobbied intensely for access to the lucrative Chinese market. CEO Jensen Huang previously warned that exclusion from China would represent a "tremendous loss," projecting the country's AI sector to grow to $50 billion in the coming years.

 However, the deal has drawn criticism in the US for potentially undermining long-term security goals, with some viewing it as a short-sighted "tribute" system.

China's Response: Halting Purchases and Promoting Domestic Alternatives

In response, Beijing has moved swiftly to counter the influx of US chips. Authorities, including the Cyberspace Administration of China (CAC), have sent notices to companies over the past few weeks, urging them to avoid Nvidia's H20 processors—particularly for government-related or national security-sensitive projects.

Major tech giants such as Alibaba, ByteDance (parent of TikTok), and Tencent have been ordered to suspend new orders of the H20 chips pending an investigation into alleged 

 The guidance extends to AMD's AI accelerators, like the MI380, though specifics on that front remain less clear.

While not an outright ban, the directives require companies to justify any need for foreign chips over local options, effectively steering purchases toward domestic manufacturers.

Chinese state media has amplified these concerns, claiming the H20 chips are "not safe" due to potential risks like location-tracking or remote shutdown capabilities—allegations that Nvidia has firmly denied.

This push aligns with China's long-term strategy of technological self-reliance, accelerated by US restrictions. Beijing views reliance on American tech as a vulnerability, especially amid suggestions from US officials, like Commerce Secretary Howard Lutnick, that the goal is to get Chinese firms "addicted" to US technology for leverage.

Reasons Cited: Security Concerns and Sovereignty

At the heart of China's stance are national security fears. Officials worry that US-made chips could embed backdoors for surveillance or control, a concern echoed by some US lawmakers who have advocated for tracking features in exported hardware.

A Beijing-based financial commentator described the H20 as "poison wine," arguing it could undermine China's nascent chip industry by siphoning demand away from local producers.