Thuong Mai Va Dich Vu Tin Hoc Minh Duong LTD Address: No 139, Le Thanh Nghi Street, Dong Tam Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0102234529 Phone: 02439906080 Representative: Vu Viet Dung Dong Tam Ward, Hai Ba Trung District, Ha Noi CityFounding date: 4 - 5 - 2007