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Micron pushes US Congress to crack down on chip tool sales to Chinese rivals, sources say

April 22, 2026 10:02 AM UTC / Reuters

By Karen Freifeld

Updated 1 hour ago

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A Micron logo appears in this illustration taken August 25, 2025. REUTERS/Dado Ruvic/Illustration Purchase Licensing Rights, opens new tab

MATCH Act aims to close export control gaps on chipmaking equipment for China
Bill would pressure foreign toolmakers to align with US
Micron lobbying lawmakers on export restrictions, sources say
Micron CEO held meetings with key House and Senate panels

April 22(Reuters) – Micron Technology MU.O, the largest U.S. memory chipmaker, is a driving force pushing the ​U.S. Congress to pass legislation that would put new export restrictions on equipment its Chinese competitors use to make their chips, according to people familiar with the matter.

A U.S. House of Representatives panel on Wednesday is set to vote on the “MATCH Act,” a bill designed to close gaps in restrictions on chipmaking equipment. It would also pressure foreign companies that sell equipment to Chinese chipmaking facilities to align with export curbs on U.S. companies like Lam Research LRCX.O and Applied Materials AMAT.O.

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The bill targets facilities operated by China’s ChangXin ​Memory Technologies (CXMT), Yangtze Memory Technologies (YMTC), and Semiconductor Manufacturing International Corp 0981.HK, as well as critical technology countrywide.

Micron has told lawmakers that Washington needs to do more ​to inhibit Chinese development in the memory market, according to people familiar with the matter. They said increased U.S. action ⁠is necessary to prevent China from dominating memory chip manufacturing the way it has the solar energy industry and other sectors, and is a national security issue.

Micron did ​not respond to requests for comment. CXMT, YMTC and SMIC did not respond to requests for comment.

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Korean chipmakers Samsung Electronics 005930.KS and SK Hynix 000660.KS now dominate the memory ​market, with Micron the No. 3 maker and sole major U.S. supplier.

But YMTC and CXMT are growing fast, despite curbs on exports to them imposed by the U.S. Commerce Department.

YMTC has been on a restricted trade list since 2022. CXMT’s advanced facilities have been subject to U.S. export curbs.

The bill as now drafted would restrict more equipment from going to China — including DUV ​immersion machines countrywide, a market dominated by Netherlands’ ASML ASML.AS — and legislate how to impose restrictions if diplomacy fails.

It also would require a license for ASML ​and other foreign companies to service equipment at covered facilities.

Micron representatives have engaged with lawmakers throughout the drafting process, sources said. They added that about a month ago, Micron CEO ‌Sanjay Mehrotra ⁠held a closed-door roundtable with members of the House Foreign Affairs Committee.

He held a similar roundtable last month with Republicans on the Senate Banking Committee, according to a person familiar with the matter.

Micron, based in Boise, Idaho, is building a megafacility in New York. Other companies in the industry are also lobbying on the bill, said one source, citing Tokyo Electron and U.S. toolmakers Lam Research, Applied Materials and KLA, who lose sales from export controls.

This month, the Commerce Department also posted photos ​of ASML CEO Christophe Fouquet meeting with ​U.S. Commerce Secretary Howard Lutnick.

The MATCH Act ⁠is only one of many bills tied to export controls to be voted on Wednesday by the House Foreign Affairs Committee. Others target the Commerce Department’s licensing, interagency process, Entity List, enforcement, and penalties.

A House foreign affairs panel staffer touted the ​slate as the biggest legislative push in the sphere since the Export Control Reform Act of 2018.

Kate Koren, who this year ​left the U.S. Commerce ⁠Department’s Bureau of Industry and Security, which oversees export controls, said the bureau’s leadership has not been doing its job.

“It seems there’s a pretty strong bipartisan consensus that BIS has not really been functioning as it should be over the past year,” said Koren, now at the Washington-based Center for Strategic and International Studies.

As Reuters has reported, the bureau ⁠has been in turmoil ​and held off new restrictions during a detente with China tied to trade talks.

A BIS spokesperson did ​not immediately respond to a request for comment.

If the MATCH Act and other bills advance on Wednesday, it is only one step toward their potentially becoming law. A companion bill has been introduced ​in the Senate and may eventually be included as an amendment to the National Defense Authorization Act.

Reporting by Karen Freifeld; editing by Chris Sanders and David Gregorio

Our Standards: The Thomson Reuters Trust Principles.