The Commerce Department announced that it would add four Chinese companies and one Chinese institute to an “entity list,” saying they posed risks to American national security or foreign policy interests. The move essentially bars the entities, which include one of China’s leading supercomputer makers, Sugon, and a number of its subsidiaries set up to design microchips, from buying American technology and components without a waiver from the United States government.

https://www.nytimes.com/2019/06/21/us/politics/us-china-trade-blacklist.html