May 27, 2025

Overview
The United States has intensified export controls on advanced semiconductor technologies, targeting China’s ability to produce AI chips critical for military and economic applications. In May 2025, the U.S. Department of Commerce expanded restrictions on chip-manufacturing equipment, high-bandwidth memory (HBM), and AI model weights, aiming to maintain technological supremacy amid escalating U.S.-China tensions. These measures, building on prior controls since October 2022, reflect concerns over China’s domestic chip advancements, such as Huawei’s Ascend 910C chip. While the U.S. seeks to curb China’s AI ecosystem, the restrictions impact global supply chains and spark debates over economic costs and geopolitical risks.

Facts

• On January 13, 2025, the U.S. Department of Commerce’s Bureau of Industry and Security (BIS) released a Regulatory Framework for AI Diffusion, restricting exports of advanced AI chips, cloud access, and model weights to China, effective May 15, 2025.
• The December 2024 controls banned HBM sales to China starting from HBM2E, critical for AI applications, and added 140 Chinese companies to the BIS Entity List.
• Huawei announced its Ascend 910C chip, set for release in May 2025, expected to rival Nvidia’s H100 at 60-70% lower cost, produced by China’s SMIC using 7nm technology.
• The U.S. controls target equipment for producing logic chips at or below 16nm and DRAM at or below 18nm, expanding restrictions from October 2022 and December 2024.
• China invested $41 billion in its semiconductor industry in 2023, with Guangzhou committing $21 billion to localize chip production, aiming for 80% self-sufficiency by 2030.
• TSMC, a key global chipmaker, reported in April 2025 that export controls may increase costs and disrupt supply chains, as its chips were found in Huawei’s AI accelerators despite sanctions.

Perspectives

• U.S. Department of Commerce (BIS): Emphasizes national security, stating that the controls “restrict PRC access to advanced U.S.-based AI technologies” to prevent military modernization and human rights abuses. BIS argues the measures ensure U.S. leadership in AI while allowing exports to allies.
• Nvidia Corporation: Acknowledges a $5.5 billion cost from new licensing requirements for its H20 chips in China, per a May 2025 filing. Nvidia supports national security but warns that restricted market access harms U.S. firms’ competitiveness.
• Huawei Technologies: Claims its Ascend 910C chip demonstrates China’s innovation under sanctions, reducing reliance on U.S. technology. Huawei argues that export controls accelerate its self-sufficiency efforts.
• Semiconductor Industry Association (SIA): Urges balanced controls to protect U.S. leadership, stating in 2023 that “overly broad controls risk harming the U.S. semiconductor ecosystem” by encouraging foreign customers to seek alternatives.
• Center for Strategic and International Studies (CSIS): Supports controls but highlights enforcement gaps, noting in March 2025 that China’s AI ecosystem remains competitive due to stockpiled Nvidia chips and domestic advances. CSIS calls for allied coordination.
• Information Technology and Innovation Foundation (ITIF): Criticizes the January 2025 restrictions as overly stringent, arguing in May 2025 that cutting U.S. firms from China’s market fosters Chinese competitors and risks Taiwan’s economic deterrence against conflict.

Considerations

• Short-term supply chain disruptions from export controls may raise costs for U.S. firms like Nvidia, while long-term restrictions could diminish U.S. market share in China’s $150 billion chip market.
• China’s semiconductor investment signals a sustained push for self-sufficiency, potentially reducing the effectiveness of U.S. controls by 2030.
• Tightened controls may escalate U.S.-China trade tensions, impacting global tech markets and diplomatic relations.
• Restrictions on HBM and equipment aim to keep China two generations behind in AI chip technology, but domestic innovations like DeepSeek’s R1 model show resilience.
• U.S. reliance on Taiwan’s TSMC for 90% of advanced chips raises risks if controls reduce Taiwan’s economic deterrence against Chinese military action.
• Enhanced allied coordination (e.g., with Japan, Netherlands) strengthens controls but requires balancing economic interests, as 29% of ASML’s 2023 sales were to China.
• Rapid AI advancements necessitate flexible U.S. policies to adapt to China’s circumvention strategies, such as third-party transshipments or subsidiary networks.

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