Thuong Mai Tin Hoc Duc Huy LTD Address: No 93i, Ly Nam De Street, Cua Dong Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0101399912 Phone: 0248431528 Representative: Pham Vu Tuyen Adress: No 34a, Ly Nam De Street, Cua Dong Ward, Hoan Kiem District, Ha Noi City Cua Dong Ward, Hoan Kiem District, Ha Noi CityFounding date: 10 - 9 - 2003