Hyosung TNC Corporation manufactures and sells fiber in South Korea and internationally. It offers spandex, nylon, and polyester. The company also provides general apparel, workwear, and industrial fabrics; and dyed products comprising nylon fabrics, polyester fabrics, nylon/polyester stretch fabrics, and cotton-blend fabrics. In addition, it offers marketing services in the trading sector with steel and chemicals, markets. Further, the company operates Sevit Island, a floating structure built on a floating body on top of the water. Hyosung TNC Corporation was founded in 1957 and is headquartered in Seoul, South Korea.