(Bloomberg) -- China’s largest chipmaker said its U.S. suppliers have been issued with letters telling them they are subject to additional export restrictions.
Semiconductor Manufacturing International Corp. is evaluating the impact of the U.S. Bureau of Industry and Security’s export restrictions, which could have “material adverse effects” on its production and operations, it said in a statement on Sunday, confirming reports last week of the controls. The chipmaker has had “preliminary exchanges” with the BISin relation to the export restrictions and will continue to actively facilitate communications with relevant U.S. government departments.
SMIC dropped as much as 5% in Hong Kong on Monday, adding to its 27% slump in September -- when reports the White House was considering taking action against the company first emerged. While the U.S. Commerce Department stopped short of placing the chipmaker on the so-called entity list, the measures mean that SMIC has become the latest Chinese technology company to be targeted by the Trump administration amid an escalation of tensions between Washington and Beijing.
China’s Foreign Ministry said in a briefing last Monday that it would “continue to take necessary measures to safeguard Chinese businesses’ legitimate rights and interests.”
Hua Hong Semiconductor Ltd., a fellow Chinese chipmaker, declined as much as 6.4% in Hong Kong. Taiwanese rival United Microelectronics Corp. gained more than 1%.
(Updates with share prices in third paragraph.)
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