Hylium Industries, Inc.

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Hylium Industries, Inc., established in 2014 as a spin-off venture company from the Korea Institute of Science and Technology (KIST) and based in Gyeonggi-do, South Korea, developed the country's first cryogenic liquid hydrogen manufacturing and storage technology, becoming Korea's first independent manufacturer of liquid hydrogen technologies with a comprehensive product portfolio spanning liquid hydrogen storage, transportation, liquefaction, and refueling technologies, as well as liquid hydrogen drones and hydrogen safety devices. The company's hydrogen liquefier employs the Gifford-McMahon (GM) and Joule-Thomson (JT) thermodynamic cycle combined with state-of-the-art super vacuum insulation technology and an integrated ortho-para converter, achieving 99.99% high-purity liquid hydrogen production while advanced sensors provide real-time monitoring and precise control of liquid hydrogen levels, temperature, and pressure conditions. Hylium signed a deal with AirFirst Co., South Korea's leading industrial gas provider, to supply high-capacity liquefied hydrogen storage tanks designed to minimize boil-off losses and reduce transportation risks through advanced temperature control and pressure maintenance systems, and received Approval in Principle (AIP) from the Korean Register alongside KRISO, POSCO, and Korea Shipbuilding and Offshore Engineering (KSOE) for liquid hydrogen fuel tanks for ships using both standard 316L and POSCO's next-generation 316HN stainless steel that better resists hydrogen embrittlement at -253 degrees C. As the first company in South Korea to localize manufacturing of liquefied hydrogen storage tanks, Hylium Industries continues advancing its complete liquid hydrogen ecosystem, having achieved a 3x flight duration improvement over pressurized H2 systems through its liquid hydrogen-electric drone technology partnership with H3 Dynamics.