Tu Van Xay Dung Va Phat Trien Vien Thong Joint Stock Company Address: P 507-D5-Khu, Quynh Mai Town, Quynh Mai Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0102173315 Phone: 0246362315 Representative: Hoang Anh Son Adress: P 507-D5-Khu, Quynh Mai Town, Quynh Mai Ward, Hai Ba Trung District, Ha Noi City Quynh Mai Ward, Hai Ba Trung District, Ha Noi CityFounding date: 1 - 3 - 2007