The US Department of Commerce on August 17 further tightened restrictions on Huawei's access to US technology, adding Huawei's 38 affiliates in 21 countries around the world on the "Entity List".
The department claims that Huawei was using international subsidiaries to circumvent the sanctions which prevent export of US-based technology.
US Commerce Secretary Wilbur Ross said Huawei and its affiliates "have worked through third parties to harness US technology in a manner that undermines US national security and foreign policy interests".
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The US Secretary of State Pompeo said in a statement said they strongly supports the Commerce Department's expansion of its foreign direct product rules, which will prevent Huawei from circumventing US law by alternative chip production and providing off-the-shelf (OTS) chips produced with tools obtained from the United States.
The list identifies foreign parties prohibited from receiving certain sensitive technologies, and allows Huawei's temporary general license (TGL) to expire.
The US provides affected companies and personnel - primarily Huawei's customers - with ample time to identify and move to other sources of equipment, software, and technology, and to end their operations.
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The following 38 new Huawei affiliates spanning 21 countries are listed as entities.
Huawei Cloud Computing Technology; Huawei Cloud Beijing; Huawei Cloud Dalian; Huawei Cloud Guangzhou; Huawei Cloud Guiyang; Huawei Cloud Hong Kong;
Huawei Cloud Shanghai; Huawei Cloud Shenzhen; Huawei OpenLab Suzhou; Wulanchabu Huawei Cloud Computing Technology; Huawei Cloud Argentina; Huawei Cloud Brazil; Huawei Cloud Chile;
Huawei OpenLab Cairo; Huawei Cloud France; Huawei OpenLab Paris; Huawei Cloud Berlin; Huawei OpenLab Munich; Huawei Technologies Dusseldorf GmbH; Huawei OpenLab Delhi; Toga Networks;
Huawei Cloud Mexico; Huawei OpenLab Mexico City; Huawei Technologies Morocco; Huawei Cloud Netherlands; Huawei Cloud Peru; Huawei Cloud Russia;
Huawei OpenLab Moscow; Huawei Cloud Singapore; Huawei OpenLab Singapore; Huawei Cloud South Africa; Huawei OpenLab Johannesburg; Huawei Cloud Switzerland;
Huawei Cloud Thailand; Huawei OpenLab Bangkok; Huawei OpenLab Istanbul; Huawei OpenLab Dubai; and Huawei Technologies R&D UK