Dau Tu Xay Dung Hoang Duong Joint Stock Company Address: 1st Floor, Nha N6B, Trung Hoa Urban Area, Nhan Chinh, Thanh Xuan District, Ha Noi City Enterprise code: 0100807439 Phone: 02435565810 Representative: To Thi Hoa Binh Adress: A6, Lot 20, Moi Dinh Cong Urban Area, Hoang Mai District, Ha Noi City Nhan Chinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 29 - 1 - 1999