Key Takeaways
The U.S. moved to further slow China’s advanced semiconductor ambitions, ordering American equipment companies to halt some shipments to Hua Hong, the nation's second-largest chipmaker, according to two people familiar with the matter. The move directly targets China's efforts to domestically produce sophisticated chips for artificial intelligence.
"This is an overdue and welcome first step," Chris McGuire, a senior fellow for China and emerging technologies at the Council on Foreign Relations, said, though noting that to "have any effect, it must capture all shipments from U.S. toolmakers, including from their overseas subsidiaries."
The Commerce Department sent "is-informed" letters last week to suppliers including Lam Research Corp., Applied Materials Inc., and KLA Corp., restricting shipments to at least two Hua Hong facilities. The sites, including Fab 6 and the under-construction Fab 8a, are believed to be developing 7-nanometer (nm) process technology. This follows reports that Hua Hong, with support from Huawei Technologies, was nearing a breakthrough that would make it only the second Chinese company after Semiconductor Manufacturing International Corp. (SMIC) to produce such advanced chips.
The restrictions threaten to derail Hua Hong's expansion and could cost U.S. suppliers billions in sales, deepening the U.S.-China tech rivalry. For investors, the move wiped billions from the market capitalizations of Lam Research, Applied Materials, and KLA, which fell between 4% and 6%. The action highlights the persistent policy risk for semiconductor stocks with high exposure to China, a market that accounts for a significant portion of their revenue.
The "is-informed" letters allow the U.S. government to quickly impose new licensing requirements on specific companies without a lengthy rule-writing process. The Commerce Department has used this tool before, notably in 2022 to restrict Nvidia Corp. and Advanced Micro Devices Inc. from exporting top AI chips to China, a policy that was later formalized into broader regulations.
China's government has been pouring resources into its domestic chip industry to achieve technological self-sufficiency, an effort Washington views as a national security threat. The collaboration between Hua Hong and the blacklisted tech giant Huawei is a key concern, with reports suggesting Huawei plans to shift some of its AI chip production to Hua Hong from SMIC. Huali Microelectronics, Hua Hong's contract manufacturing business, was reportedly aiming for an initial 7-nm production capacity of a few thousand wafers per month by the end of 2026. Halting the flow of U.S. tools could severely impede that timeline.
This article is for informational purposes only and does not constitute investment advice.
