Tu Van Thiet Ke & Thi Nghiem Xay Dung, Thuong Mai Tan Thinh Joint Stock Company Address: Hoang Xa Civil Group, Lien Mac Ward, Bac Tu Liem District, Ha Noi City Enterprise code: 0102134757 Phone: 0246812686 Representative: Dinh Cong Thang Lien Mac Ward, Bac Tu Liem District, Ha Noi CityFounding date: 10 - 1 - 2007