US Orders Chip Equipment Firms to Halt Shipments to China's Hua Hong

The U.S. Department of Commerce last week ordered multiple chip equipment companies to halt certain tool shipments to Hua Hong, China's second-largest chipmaker, according to two people familiar with the matter. This is the latest U.S. action to slow China's development of advanced chips.

Details of the Action

The department sent letters to at least a handful of companies informing them of new restrictions on tools and other materials destined for two Hua Hong facilities that U.S. officials believe may produce China's most sophisticated chips. Top U.S. chip equipment companies Lam Research, Applied Materials, and KLA, each with significant business supplying China, are believed to have received a letter.

Company Stance

None of the three companies have issued official statements yet. They are expected to comply with the new restrictions but may seek licenses or exemptions for certain shipments.

Precedents and Context

This is not the first time Washington has tightened technology export controls on China. In recent years, the Biden administration imposed similar restrictions on Huawei and SMIC. The current restrictions on Hua Hong are part of broader efforts to protect U.S. national security and prevent China from developing advanced military capabilities.

Potential Financial Impact

The new restrictions could negatively impact revenue for U.S. chip equipment companies, as China is a key market. However, the precise financial impact has not been determined. Companies are expected to disclose any material impact in their upcoming quarterly reports.