Tu Van Thiet Ke Va Xay Dung Thang Long HN Joint Stock Company Address: K72 Tap The Phao Binh, Bo Quoc Phong, Cong Vi Ward, Vinh Phuc Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101305329 Phone: 0248329129 Representative: Bui Hoai Diep Adress: No 70 Tap The Bo Lam Nghiep, Ngoc Khanh Ward, Ba Dinh District, Ha Noi City Cong Vi Ward, Ba Dinh District, Ha Noi CityFounding date: 22 - 11 - 2002