Seojin System Co., Ltd provides telecom equipment, mechanical products, and LED and other equipment. It offers telecommunication equipment, such as RRH, RU, cabinets, enclosures, cases, and sever racks; mobile phone frames; automotive parts; semiconductor equipment; aluminum alloys; cable assemblies for power, telecom, data, and other cable industries; and LED cases comprising industrial and sport LED cases, and security and street light cases, as well as products for heavy industries. The company was founded in 1996 and is headquartered in Bucheon-si, South Korea.