United Machine-Building Plants Public Joint Stock Company operates as a heavy machine-building company in Russia and internationally. The company manufactures equipment for nuclear power plants; and storing and transporting spent nuclear fuel, as well as provides investment engineering and servicing for nuclear power plants. It is involved in the development and implementation of technologies to produce air separation equipment, supply of industrial gases, and development of comprehensive solutions for associated gas, natural gas, and liquefied natural gas. The company also manufactures equipment for hydrocracking units, hydrotreating units, catalytic cracking units, and other products. In addition, it produces special steels for power and nuclear power, metallurgical, mining, and petrochemical machine-building, as well as special-purpose items. Further, the company designs and produces general industrial and special-purpose valves, including shutoff, gate, butterfly, control, ball, check, swing check, hermetically sealed, relief, and instrumentation valves; and products for shipbuilding, such as autonomous, self-installing shaft line slip bearings, and other products. Additionally, it provides engineering integrated solutions and services. The company was incorporated in 1996 and is based in Moscow, Russia.