Thuong Mai Dich Vu Tin Hoc Va Thiet Bi Viet Nam Joint Stock Company Address: No 38B, 81/24/3 Lac Long Quan Lane, Nghia Do Ward, Cau Giay District, Ha Noi City Enterprise code: 0100931235 Phone: 0903437051 Representative: Tran Ngoc Hai Adress: Khoi 3, Quan Hanh Town, Nghi Loc District, Nghe An Province Nghia Do Ward, Cau Giay District, Ha Noi CityFounding date: 15 - 9 - 1999