Rheniumet, a subsidiary of UMM, has excellent mechanical properties even at high temperatures of 2000 ℃ due to its alloy pure rhenium or rhenium-based superalloys, so it is used in the fields of aviation, aerospace, and space science for high temperature and high strength in thermodynamic drive devices. Almost all parts have rhenium. The thrust-to-weight ratio of aero-engines continues to increase, and the technical performance requirements for engine turbine blade materials are also continuously improved. The successful development and large-scale application of nickel-based rhenium-containing superalloys (with rhenium 2%-7%) have become large-scale aviation vehicles. The trend of modernization and high-speed development provides the most important material guarantee.