Yieh Phui Enterprise Co. Ltd. started construction in 1988, and invested in diversified steel products. Its Coated Business specializes in galvanized and prepainted steel coil production. Yieh Phui is now the largest independent coated steel producer in Taiwan, China and Southeast Asia. In 2005, integration of affiliated companies in E United Group was carried out and Yieh Phui thus established the Engineering Business at Luzhu and Yanchao. Its Engineering Business specializes in the design, manufacture and installation of steel structures and crane equipment.