BYON Co., Ltd. engages in the manufacture and sale of industrial chemicals. It operates through the following business divisions: Biomedical, Cosmetics, Oil Sales, Ship Parts, and Hydraulic Motor. The Biomedical business division develops cell therapy using stem cell technology and commercialization of myocardial cells. The Cosmetics business division produces and sells cosmetic products made of stem cell culture liquid. The company was founded on November 1, 1983 and is headquartered in Ansan-si, South Korea.