Seojin System Co., Ltd. supplies telecom equipment, repeaters, mechanical products, and LED-related equipment. Its offerings include telecommunication equipment such as RRH, RU, cabinets, enclosures, cases, and server racks, as well as mobile phone frames, automotive parts, semiconductor equipment, aluminum alloys, and cable harnesses for power, telecom, and data applications. The company also provides LED cases for industrial, sports, security, and street lighting uses, along with products for heavy industries. Founded in 1996, it is headquartered in Bucheon-Si, South Korea.