Tu Van Thiet Ke Kien Truc Xay Dung Address: 278, Ton Duc Thang Street, Hang Bot Ward, Dong Da District, Ha Noi City Enterprise code: 0100107839-001 Phone: 0248513409; 0245116718 Representative: Bui Hoang Chung Adress: Civil Group 36, Lang Thuong Ward, Dong Da District, Ha Noi City Hang Bot Ward, Dong Da District, Ha Noi CityFounding date: 28 - 8 - 1998