The U.S. Commerce Department said on Wednesday it is imposing export controls on more than two dozen companies in China, Turkey and other countries for supporting Russia’s military and defense industries.

In total, 28 additions were made to the U.S. “Entity List”, which means suppliers are barred from shipping U.S. technology to entity-listed companies unless the suppliers can procure a difficult-to-obtain license from the Commerce Department.

Five Chinese entities, two Russian and two Turkish companies were named for attempting to evade export controls and acquiring, or attempting to acquire, U.S.-origin items in support of Russia’s military.

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The Chinese companies named include STK Electronics, Wynn Electronics Co, ETC Electronics Ltd, Avtex Semiconductor Limited, Yongli Electronic Components and Newsuntech Electronics Limited. The companies could not immediately be reached or did not respond to requests for comment.

Read more: Reuters