US-China technology and trade restrictions

The United States is intensifying efforts to restrict China’s access to critical technologies necessary for artificial intelligence development. Initial reports indicate potential new controls on semiconductor equipment, specifically deep ultraviolet (DUV) lithography systems, and next-generation 3.2T optical transceivers to maintain a technological advantage in AI chip manufacturing.

These technological restrictions are increasingly linked to broader industrial trade negotiations. Following previous disruptions in the rare-earth magnet supply chain, U.S. officials have indicated that AI chip regulations are being used as leverage in trade deals. This creates a complex dynamic where the pursuit of AI safety and technological leadership through export controls is directly impacted by China’s ability to implement retaliatory measures on essential industrial materials.

Recent evaluations of these export controls suggest they face significant enforcement and strategic challenges. In Singapore, a major global redistribution hub, local regulations follow multilateral non-proliferation lists rather than the unilateral performance thresholds implemented by the U.S. This discrepancy means certain chips requiring U.S. licenses may pass through Singapore without triggering local statutes.

Furthermore, four years of restrictions have prompted assessments that the measures may have inadvertently bolstered China’s AI ambitions. While intended to deny frontier hardware, the controls have coincided with Chinese chipmakers operating at capacity and Chinese AI models gaining market share through lower costs. Some observers suggest these restrictions may have helped Chinese GPU companies close the performance gap, potentially leading to a duopoly of incompatible technological stacks.