Dau Tu Ky Thuat Va Dich Vu Viet Long Joint Stock Company Address: No 31, Lane 294/2, Kim Ma Street, Kim Ma Ward, Ba Dinh District, Ha Noi City Enterprise code: 0107249871 Phone: 02432115817 Representative: Le Xuan Dung Adress: No 57B Phan Chu Trinh, Phan Chu Trinh Ward, Hoan Kiem District, Ha Noi City Kim Ma Ward, Ba Dinh District, Ha Noi CityFounding date: 14 - 12 - 2015