South Korean company YG-1 supplied equipment to two Russian factories that produce nuclear weapons following the start of the full-scale war between Russia and Ukraine, according to The Insider. YG-1 is one of the largest manufacturers of metal-cutting tools in the world. The company produces a wide range of tools used for metalworking, including drills, end mills, and taps (tools for internal threading). These tools are essential for processing various metals, from aluminum to steel and titanium, and are critical resources for the aerospace and missile industries. It is noted that Russian def…