Dau Tu Ah Office LTD Address: No 31-33, Lane 135, Doi Can Street, Ngoc Ha Ward, Ba Dinh District, Ha Noi City Enterprise code: 0110113510 Phone: 0961549886 Representative: Nguyen Ngoc Mien Adress: Luong Xa Hamlet, Lien Bat Commune, Ung Hoa District, Ha Noi City Ngoc Ha Ward, Ba Dinh District, Ha Noi CityFounding date: 12 - 9 - 2022