Dau Tu Xay Dung Ha Noi H&H Joint Stock Company Address: No 28, Lane 228, Le Trong Tan Street, Dinh Cong Ward, Hoang Mai District, Ha Noi City Enterprise code: 0101925386 Phone: 0246406329 Representative: Nguyen The Hung Adress: No 20 Ngoc Ha, Doi Can Ward, Ba Dinh District, Ha Noi City Dinh Cong Ward, Hoang Mai District, Ha Noi CityFounding date: 25 - 4 - 2006