Loongson is considered a potential alternative in future for Intel Corp. chips, while Inspur competes directly with servers made by the likes of HP Inc. and Dell Technologies Inc.
US companies are banned from exporting to the listed entities without prior government approval.
The Commerce Department’s Bureau of Industry and Security declined to comment beyond the federal register notice.
The sanctions that cover Inspur are similar to those imposed on Huawei Technologies Co., and apply to US shipments as well as foreign-made items produced with US-origin tools or technology, which effectively means all semiconductors on the planet are covered, said Kevin Wolf, a partner at Akin Gump Strauss Hauer & Feld.