Tu Van Du Hoc Thang Long Joint Stock Company Address: No 68, Tran Nhat Duat Street, Dong Xuan Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0107621634 Phone: 0979127635 Representative: Do Thi Hong Van Adress: P1404 - CT5B, Khu Nha O Ban, Me Tri Ward, Nam Tu Liem District, Ha Noi City Dong Xuan Ward, Hoan Kiem District, Ha Noi CityFounding date: 3 - 11 - 2016