Trump orders Chinese-linked firm HieFo to divest US chip assets, cites national security
Chinese-linked company ordered to unwind its acquisition of US semiconductor assets, citing national security concerns
The EO prohibits HieFo from retaining any ownership or rights in the Emcore assets and gives the company up to 180 days to divest them, subject to oversight by the Committee on Foreign Investment in the United States (CFIUS). The roughly US$3 million transaction, completed on April 30, 2024, is effectively unwound.
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In a May 2025 press release, Emcore said the deal with HieFo involved transferring most assets from its discontinued chips business, including equipment, contracts, intellectual property and inventory tied to its InP wafer fabrication operations in Alhambra, California.
On its website, HeiFo describes itself as a “California-based company specialising in the production and development of high-efficiency Indium Phosphide (InP) photonic devices for the optical communication industry”.