Dich Vu Khoa Hoc Va Ky Thuat Thang Long Joint Stock Company Address: No 16, Lane 190, Ha Dinh Street, Ha Dinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0106206152 Phone: 02462730895 Representative: Nguyen Thi Thuong Adress: Minh Chau Hamlet, Van Thanh Commune, Yen Thanh District, Nghe An Province Ha Dinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 13 - 6 - 2013