Dau Tu Xay Lap Bac Song Hong Joint Stock Company Address: P511, F4 Building, Yen Hoa Urban Area, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0103340657 Phone: 02466568234 Representative: Dang Duc Quan Adress: P701, Nha Ct4a2 Linh Dam, Hoang Liet Ward, Hoang Mai District, Ha Noi City Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 19 - 2 - 2009