Sheng Yu Steel Co., Ltd. manufactures, processes, and sells steel coils in Taiwan, Asia, Europe, the United States, and other international markets. Its product line includes galvanized steel coils, Al-Zn alloy-coated coils, prepainted coils and sheets, cold-rolled steel sheets and coils, and various specialty coated steel sheets and coils such as chrome-free anti-fingerprint, anti-static, antiseptic, and embossed pre-painted products. The company also engages in trading and testing laboratory businesses. Incorporated in 1973 and headquartered in Kaohsiung, Taiwan, it operates as a subsidiary of Yodogawa Steel Works, Ltd.