Topkey Corporation, together with its subsidiaries, produces, processes, sells, and trades in sporting goods in Asia, Europe, America, and internationally. It operates through Sports Products, Aviation and Medical Products, and Others segments. The company offers glass and carbon fiber products; composite materials; glasses; vehicle and bike components; and water gage and HRNT products. It also provides agency services; designs, develops, manufactures, and sells precision molds, as well as VCM and 3C components; processes plastic and rubber products; and engages in international investment and trade activities. In addition, the company offers aviation and medical components; aviation seatbacks; bike frames and front forks; helmets and its parts and accessories; bike knee and neck braces; rackets; building insulation products; and carbon fiber components. Topkey Corporation was incorporated in 1980 and is headquartered in Taichung, Taiwan.