Tu Van Thiet Ke Va Xay Dung Hoang Sa LTD Address: Khu Gian Dan, Tu Khoat Hamlet, Ngu Hiep Commune, Thanh Tri District, Ha Noi City Enterprise code: 0107915666 Phone: 02182506999 Representative: Dinh Thi Thanh Xuan Ngu Hiep Commune, Thanh Tri District, Ha Noi CityFounding date: 11 - 7 - 2017