The Biden administration has placed five Chinese companies on an export blacklist for violating sanctions by allegedly providing support to Russia’s military and defense companies before and during the invasion of Ukraine, Report informs via the Financial Times.

The commerce department put the Chinese firms on the “entity list”, which effectively bars US companies from exporting to them. The companies, which are not globally recognized names, are Connec Electronic, King Pai Technology, Sinno Electronics, Winninc Electronic, and World Jetta (HK) Logistics.

“Today’s action sends a powerful message to entities and individuals across the globe that if they seek to support Russia, the US will cut them off,” said Alan Estevez, under-secretary of commerce.