Tu Van Xay Dung Va Phat Trien Ha Tang Thang Long Joint Stock Company Address: No 84, Giai Phong Street, Phuong Mai Ward, Dong Da District, Ha Noi City Enterprise code: 0105045618 Phone: 02485876933 Representative: Nguyen Xuan Dung Adress: P402 C10, Quynh Mai Ward, Hai Ba Trung District, Ha Noi City Phuong Mai Ward, Dong Da District, Ha Noi CityFounding date: 10 - 12 - 2010