Giao Duc Va Dao Tao Mathexpress Joint Stock Company Address: 2nd Floor, Toa CT2 Chung Cu Ban Co Yeu Chinh Phu, Phuong, Thanh Xuan District, Ha Noi City Enterprise code: 0111358129 Phone: 0862061095 Representative: Tran Nhat Minh Ha Noi CityFounding date: 21 - 1 - 2026