Dau Tu Xay Dung Va Phat Trien Da Nganh Joint Stock Company Address: No 155, Yen Hoa Street, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0101842034 Phone: 0249185062 Representative: Nguyen Van Toi Adress: Thong An Dong, Lac Ve Commune, Tien Du District, Bac Ninh Province Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 20 - 12 - 2005