Dau Tu Va Tu Van Thiet Ke Xay Dung Ha Noi Joint Stock Company Address: No 11, Lane 12, Tran Quoc Hoan Street, Dich Vong Hau Ward, Cau Giay District, Ha Noi City Enterprise code: 0101189834 Phone: 0247930906 Representative: Tran Van Thanh Adress: Van Lan Hamlet, Trac Van Commune, Duy Tien District, Ha Nam Province Dich Vong Hau Ward, Cau Giay District, Ha Noi CityFounding date: 18 - 12 - 2001