Dau Tu Va Dich Vu Ast Joint Stock Company Address: No 6, Alley 31/12, Lane 37, Tran Quoc Hoan Street, Dich Vong Hau Ward, Cau Giay District, Ha Noi City Enterprise code: 0101502133 Phone: 0247561966 Representative: Le Tung Anh Adress: No 1T Cha Ca, Hoan Kiem District, Ha Noi City Dich Vong Hau Ward, Cau Giay District, Ha Noi CityFounding date: 29 - 6 - 2004