The US Commerce Division is limiting six Chinese language corporations tied to the Chinese language military’s aerospace packages from acquiring US know-how with out authorities authorization.

The transfer comes after a Chinese language balloon suspected of finishing up surveillance flew over the US final week, elevating political tensions between the world’s two largest economies.

US fighter jets shot down the balloon, which American officers have since claimed is a part of an intensive surveillance program run by the Chinese language navy.

The six corporations assist the Chinese language authorities’s “modernization efforts, particularly these associated to aerospace packages, together with airships and balloons and associated supplies and elements, which are utilized by the Individuals’s Liberation Military (PLA) for intelligence and reconnaissance,” the Commerce Division’s Bureau of Trade and Safety mentioned in an announcement.

The six corporations are: Beijing Nanjiang Aerospace Expertise; China Electronics Expertise Group Company forty eighth Analysis Institute; Dongguan Lingkong Distant Sensing Expertise; Eagles Males Aviation Science and Expertise Group; Guangzhou Tian-Hai-Xiang Aviation Expertise; and Shanxi Eagles Males Aviation Science and Expertise Group.

The inclusion of the businesses on the Commerce Division’s “Entity Record,” sends “a transparent message to corporations, governments, and different stakeholders globally that the entities on the record current a menace to nationwide safety,” the assertion mentioned.

“The Commerce Division is not going to hesitate to proceed to make use of the Entity Record and our different regulatory and enforcement instruments to guard US nationwide safety and sovereignty,” Deputy Secretary of Commerce Don Graves mentioned within the assertion.

“The Entity Record is a strong instrument for figuring out and chopping off actors that search to make use of their entry to international markets to do hurt and threaten American nationwide safety.”

China’s “use of high-altitude balloons violates our sovereignty and threatens US nationwide safety,” Below Secretary of Commerce for Trade and Safety Alan Estevez mentioned.

“Right now’s motion makes clear that entities that search to hurt US nationwide safety and sovereignty can be reduce off from accessing US applied sciences.”

CNN has reached out to the businesses concerned and the Chinese language authorities for remark.