According to the US assessment, China has sharply increased its sales of machine tools, microelectronics, and other technologies to Russia, which Moscow, in turn, uses to produce missiles, tanks, aircraft, and other weapons for the war against Ukraine, reports Associated Press. Two senior Biden administration officials, who discussed the sensitive findings Friday on the condition of anonymity, said that in 2023 about 90% of Russia’s microelectronics came from China, which Russia has used to make missiles, tanks, and aircraft. Nearly 70% of Russia’s approximately $900 million in machine tool im…