Tu Van Khao Sat Thiet Ke Xay Dung Ha Noi Joint Stock Company Address: No 28, Lane 100, Doi Can Street, Doi Can Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101439259 Phone: 0247220332 Representative: Nguyen Thi Minh Hoa Adress: No 30, Thuoc Bac Street, Hang Bo Ward, Hoan Kiem District, Ha Noi City Doi Can Ward, Ba Dinh District, Ha Noi CityFounding date: 9 - 2 - 2004