Daewon Kang Up Co., Ltd. develops, produces, and sells suspension springs and seats in South Korea and internationally. Its product range includes suspension springs such as coil, air, stabilizer, torsion bar, and leaf springs, as well as precision springs, industrial springs, and spring manufacturing and testing equipment. The company also offers seats for automobiles, railway vehicles, high-speed trains, and heavy equipment, along with adjusters, recliners, pumping devices, active headrests, magnesium frames, and seat assemblies. Founded in 1946, it is headquartered in Cheonan-si, South Korea.