Youxing Angola steel structure shopping mall built the year of 2012，usage for supermarket and exhibition hall，general total area is 9088 square meters. The mid area is two floor supermarket，apartment is three floor，two side of the project is exhibition hall which adopt portal frame. The main structure of the project is adopt welded H steel column，two coats of mid-gray paint；75mm glass wool sandwich panel for roof，single steel sheet for wall surface with parapet around the wall，glass curtain as the wall of front and side while brick wall behind.