Dao Tao Va Truyen Thong Toa Sang Joint Stock Company Address: Phong I11w3 Tang 20, Charmvit Building, No 117 Tran Duy Hung, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0106648400 Phone: 02435553212 Representative: Nguyen Son Lam Adress: No 26, Lane 898, Lang Street, Lang Thuong Ward, Dong Da District, Ha Noi City Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 24 - 9 - 2014