Dau Tu Va Tu Van Thiet Ke Ky Nghe Xay Dung Etcon Joint Stock Company Address: No 34, Alley 30, Lane 194, Doi Can Street, Doi Can Ward, Ba Dinh District, Ha Noi City Enterprise code: 0110083785 Phone: 0912326965 Representative: Hoang Van Hoan Doi Can Ward, Ba Dinh District, Ha Noi CityFounding date: 4 - 8 - 2022