Truyen Thong Thanh Son Dong Dao Joint Stock Company Address: No 239, Quan Hoa Street, Quan Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0109873122 Phone: 0912686388 Representative: Tran Phong Thai Quan Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 29 - 12 - 2021