Dau Tu Va Phat Trien Do Thi Sai Dong Joint Stock Company Address: No 191 Ba Trieu, Le Dai Hanh Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0105403768 Phone: 02439749262 Representative: Tran Hoai An Adress: No 191 Ba Trieu, Le Dai Hanh, Hai Ba Trung District, Ha Noi City Le Dai Hanh Ward, Hai Ba Trung District, Ha Noi CityFounding date: 12 - 7 - 2011