Thuong Mai Va Dich Vu Tin Hoc At LTD Address: No 3, 8 To 80 Lane, Khuong Trung Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0101787961 Phone: 0904307329 Representative: Hoang Xuan Truong Adress: No 3, 8 To 80 Lane, Khuong Trung Ward, Thanh Xuan District, Ha Noi City Khuong Trung Ward, Thanh Xuan District, Ha Noi CityFounding date: 7 - 10 - 2005