Tu Van Thiet Ke Va Xay Dung Song Hong Joint Stock Company Address: No 26, Lane 167, Phuong Mai Street, Phuong Mai Ward, Dong Da District, Ha Noi City Enterprise code: 0101474486 Phone: 02437821381 Representative: Nguyen Huu Van Adress: Hamlet 8, Xuan Hoa Commune, Nam Dan District, Nghe An Province Phuong Mai Ward, Dong Da District, Ha Noi CityFounding date: 23 - 4 - 2004