Quan Ly Du An Sena Joint Stock Company Address: No 35 Dien Bien Phu, Dien Bien Ward, Dien Bien Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101602314 Phone: 0248237851 Representative: Dinh Hoang Hai Adress: No 37 Le Dai Hanh, Le Dai Hanh Ward, Hai Ba Trung District, Ha Noi City Dien Bien Ward, Ba Dinh District, Ha Noi CityFounding date: 28 - 1 - 2005