Hyosung TNC Corp. engages in the manufacture of chemical fibers such as spandex, nylon yarns, polyester yarns, fabrics, and dyed products. It operates through the Textile and Trade business divisions. The Textile division offers spandex, nylon yarn, and polyester yarn. The Trade division includes steel and chemical products, and other main products such as NF3 gas and tire reinforcement materials. The company was founded in February 1957 and is headquartered in Seoul, South Korea.