China Expands Export Controls on Rare Earths and Bans Procurement From Dozens of US Companies

What China announced

China's government announced a two-part escalation in its economic countermeasures against US companies. First, it expanded export controls on rare earth minerals and related processed materials, restricting the quantities that can be exported to foreign buyers. Second, it added dozens of US technology and defense companies to procurement ban lists, preventing Chinese government entities and state-owned enterprises from purchasing products or services from the named companies.

The two measures target different parts of the economic relationship. Rare earth export controls restrict the supply of critical materials that US companies depend on for manufacturing semiconductor packaging, electric motor magnets, defence electronics, and other high-technology products. The procurement bans restrict US companies' access to the Chinese government and state enterprise market directly.

Why China's rare earth controls are structurally significant

China controls approximately 60% of global rare earth mining and a higher share of rare earth processing capacity. Elements such as neodymium, dysprosium, gallium, and germanium are essential inputs for semiconductor manufacturing equipment, high-performance magnets, and defence electronics. US companies that source these materials from China face supply disruption and higher costs if controls tighten.

The semiconductor export controls and China chips driver captures the bilateral tension in this space. Export controls flow both ways: US restrictions on chip exports to China were answered by Chinese restrictions on rare earth and critical-material exports to the US. The current Chinese action deepens this cycle.

Which US companies are most directly affected

Nvidia is particularly exposed to the procurement ban channel. China has historically been a significant market for Nvidia data-centre GPU products, and Chinese technology companies, including large cloud providers and AI researchers, have been major Nvidia customers. A procurement ban covering Chinese state enterprises and SOEs removes a meaningful subset of the Chinese market and creates uncertainty about whether private Chinese tech companies will follow.

Apple faces both channels. On the supply side, Apple's manufacturing partner Foxconn and its component suppliers rely on rare earth materials for iPhone components. On the demand side, Apple already faces restrictions on iPhone use by Chinese government employees, and broader procurement bans could expand that constraint. Apple's position in China is critical: China represents roughly 20% of Apple's total revenue.

What to watch

Watch for the specific list of US companies placed on Chinese procurement bans, as the named companies face the most direct revenue exposure. For rare earth controls, watch for announcements from US-based rare earth producers (MP Materials) or government stockpiling initiatives that could partially offset the supply restriction. Nvidia's and Apple's China revenue commentary in their next earnings calls will be the financial confirmation of the actual impact.