HS Hyosung Advanced Materials (효성첨단소재 주식회사) is a South Korean manufacturer of high-performance industrial materials and a core affiliate of the Hyosung Group. Established as a separate entity in 2018, the company focuses on advanced fibers and composites used across mobility, energy, and industrial markets.
Its portfolio includes carbon fiber, aramid fiber, tire reinforcement materials (such as nylon and polyester tire cord and steel cord), industrial textiles, and lightweight composite structures, including high‑pressure gas tanks for hydrogen and CNG storage. These materials support applications in automotive tires, lightweighting, protective equipment, and energy storage and transport. The company operates R&D and production facilities in Korea and internationally, supplying global OEMs and component manufacturers.