Tu Van Xay Dung Thang Long LTD Address: No 40, 99 Nguyen Chi Thanh Lane, Ngoc Khanh Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101590718 Phone: 0247732149 Representative: Vu Hoai Son Adress: 58a, Tran Nhan Tong Street, Nguyen Du Ward, Hai Ba Trung District, Ha Noi City Ngoc Khanh Ward, Ba Dinh District, Ha Noi CityFounding date: 5 - 1 - 2005