US aims to hobble China’s chip industry with sweeping new export rules

The rules, some of which go into effect immediately, build on restrictions sent in letters earlier this year to top toolmakers KLA Corp. , Lam Research Corp. and Applied Materials Inc., effectively requiring them to halt shipments of equipment to wholly Chinese-owned factories producing advanced logic chips.

The raft of measures could amount to the biggest shift in U.S. policy toward shipping technology to China since the 1990s. If effective, they could set China’s chip manufacturing industry back years by forcing American and foreign companies that use U.S. technology to cut off support for some of China’s leading factories and chip designers.

In a briefing with reporters on Thursday previewing the rules, senior government officials said many of the rules sought to prevent foreign firms from selling advanced chips to China or supplying Chinese firms with tools to make their own advanced chips. They conceded, however, that they have not yet secured any promises that allied nations will implement similar measures and that discussions with those nations are ongoing.

“We recognize that the unilateral controls we’re putting into place will lose effectiveness over time if other countries don’t join us,” one official said. “And we risk harming U.S. technology leadership if foreign competitors are not subject to similar controls.”

The expansion of U.S. powers to control exports to China of chips made with U.S. tools is based on a broadening of the so-called “foreign direct product rule.” It was previously expanded to give the U.S. government authority to control exports of chips made overseas to Chinese telecoms giant Huawei Technologies Co Ltd and later to stop the flow of semiconductors to Russia after its invasion of Ukraine.

On Friday, the Biden administration applied the expanded restrictions to China’s IFLYTEK, Dahua Technology, and Megvii Technology, companies added to the entity list in 2019 over allegations they aided Beijing in the suppression of its Uigher minority group.