Updated On: 15 April, 2023 03:40 PM IST | Beijing | AP
Washington has been tightening up enforcement of sanctions against foreign firms it sees as providing assistance to Russia in its war against Ukraine, forcing them to choose between trading with Moscow or with the US

Representative Image. Pic/iStock
Beijing on Saturday protested US sanctions against additional Chinese companies over their alleged attempts to evade US export controls on Russia, calling it an illegal move that endangers global supply chains.
The United States Commerce Department on Wednesday put five firms based in mainland China and Hong Kong on its "entity list", barring them from trading with any US firms without gaining a nearly unobtainable special license.