Yi Jinn Industrial Co., Ltd. engages in the research and development, production, and sale of polyester textured yarns in Taiwan, rest of Asia, America, Europe, and Africa. It operates through three segments: Textile Department, Leasing Department, and General Department. The Textile Department segment processes, weaves, and trades man-made and natural fibers and their products. The Leasing Department segment engages in real estate leasing and other business. The General department segment is involved in the import and export business of textile products; investment in various securities; and real estate development. The company was incorporated in 1981 and is based in Taipei City, Taiwan.