Hoang Gia Sa Joint Stock Company Address: No 30, T1 Ciputra, Xuan Dinh Ward, Bac Tu Liem District, Ha Noi City Enterprise code: 0106314380 Phone: 0915156531 Representative: Dao Thi Hoa Adress: No 78 Tran Nhat Duat, Dong Xuan Ward, Hoan Kiem District, Ha Noi City Xuan Dinh Ward, Bac Tu Liem District, Ha Noi CityFounding date: 23 - 9 - 2013