China's government is moving to reduce its reliance on Western networking equipment in state-owned data centers, with regulators now examining whether Broadcom's market position has crowded out domestic alternatives. The Assets Supervision and Administration Commission (SASAC), which oversees state-owned enterprises, is investigating ways to replace foreign hardware with Chinese-made options, according to reporting from the Financial Times. This scrutiny comes as Beijing races to build sovereign AI infrastructure while responding to U.S. export sanctions on advanced semiconductors.

Why Is China Targeting Broadcom Now?

Broadcom, a major supplier of data center networking switches, currently dominates Chinese government infrastructure. Approximately 90% of government-run enterprises rely on Broadcom equipment, giving the company an outsized influence over state computing systems. The SASAC inquiry is examining whether this dominance has limited opportunities for local vendors to gain market share and develop competitive alternatives.

The timing reflects a broader strategic shift in Beijing. China's 15th Five-Year Plan, approved earlier this year, prioritized AI and related infrastructure development as a national priority. Simultaneously, the government has set an ambitious target of achieving around 80% semiconductor self-sufficiency by the start of the next decade. These goals are directly tied to reducing dependence on U.S. technology amid escalating export controls.

What Are China's Domestic Alternatives to Broadcom?

Chinese regulators are already pointing toward replacement options. According to government procurement guidelines, vendors like H3C and Ruijie are being touted as leading alternatives to Broadcom. Hardware from other Broadcom rivals is already barred from state-owned facilities, suggesting a pattern of deliberate substitution. However, these domestic options would need to prove they can match Broadcom's performance and reliability before widespread adoption becomes feasible.

The investigation also reflects China's broader strategy to build indigenous technology ecosystems. By forcing state-owned enterprises to adopt domestic networking equipment, Beijing can create guaranteed demand for local vendors, helping them scale production and improve their technology. This approach mirrors strategies used in other sectors where China has successfully developed competitive alternatives to Western products.

How Does This Connect to the Larger U.S.-China Tech Competition?

This regulatory action is part of a much larger contest over AI infrastructure and supply chains. The U.S. has placed increasingly stringent export controls on high-end AI chips and manufacturing equipment, forcing China to develop workarounds. Networking equipment represents a potential next frontier in this competition. Trump administration officials are reportedly considering banning imports of Chinese optical transceivers, which would be a major blow to U.S. hyperscalers relying on cost-effective components.

Meanwhile, the broader geopolitical context remains tense. Trump and Xi Jinping met on September 24 to discuss multiple areas of friction, including chip export controls and rare-earth mineral supply chains. Analysts do not expect major breakthroughs on chip restrictions, as the U.S. Trade Representative has indicated that chip controls were not a subject of discussion for the talks on AI. Nvidia, the leading AI chip manufacturer, has already seen its market share in China collapse from 40% in 2025 to a projected 8% in 2026, while Chinese rival Huawei has grown to approximately 50% market share.

Steps to Understanding China's Supply Chain Diversification Strategy

• Government Procurement Mandates: China is using state-owned enterprise purchasing power to create guaranteed demand for domestic alternatives, forcing vendors to compete on performance rather than price alone.
• Regulatory Pressure on Foreign Vendors: By investigating Broadcom's market dominance, SASAC is creating legal justification for replacing foreign equipment with domestic options across government infrastructure.
• Parallel Development of Indigenous Technology: Companies like H3C and Ruijie are being positioned as replacements, allowing China to develop competitive networking solutions while reducing foreign dependency.
• Integration with Broader AI Goals: Networking equipment substitution is part of China's 15th Five-Year Plan, which treats AI infrastructure as a strategic national priority requiring sovereign control.

It is important to note that SASAC's actions would not affect Broadcom deployments in private data centers operated by companies like Alibaba or ByteDance. This distinction matters because China's largest AI companies rely on cutting-edge infrastructure to compete globally. By limiting the mandate to state-owned enterprises, Beijing can pursue self-sufficiency goals without immediately crippling private sector innovation.

The broader implications are significant. If China successfully replaces Broadcom equipment in government data centers, it would demonstrate that domestic alternatives can handle mission-critical workloads. This success could accelerate adoption across other sectors and create a template for other countries seeking to reduce reliance on U.S. technology. Conversely, if domestic vendors struggle to match Broadcom's performance, the effort could expose gaps in China's semiconductor ecosystem and highlight the difficulty of achieving true technological sovereignty.

The investigation also signals that China views networking infrastructure as strategically important to AI development. While much attention has focused on advanced processors, the networking equipment that connects data centers is equally critical to AI training and deployment. By controlling this layer of the stack, China can ensure that its AI infrastructure remains insulated from U.S. export controls and geopolitical pressure.

"There's nothing theoretical about China's willingness or ability to use its mineral supply chain dominance as a weapon. China has both a significant headstart and isn't going to cede leverage without a fight," said Conor Bernstein, with the National Mining Association.

Conor Bernstein, National Mining Association

This regulatory scrutiny of Broadcom represents a critical moment in the U.S.-China technology competition. As both countries build rival coalitions to control AI's future, the battle is shifting from high-level policy discussions to granular supply chain decisions. China's move to diversify away from Broadcom suggests that Beijing is preparing for a prolonged period of technological decoupling, investing in domestic alternatives even if they are not yet competitive with Western options. For U.S. technology companies, the message is clear: market dominance in China is no longer guaranteed, and government mandates can quickly reshape competitive dynamics.