Tu Van Xay Dung Buu Chinh Vien Thong Joint Stock Company Address: Phap Van Hamlet, Hoang Liet Ward, Hoang Mai District, Ha Noi City Enterprise code: 0101536414 Phone: 02436402924 Representative: Nguyen Van Binh Adress: Kieu Moc Hamlet, Co Do Commune, Ba Vi District, Ha Noi City Hoang Liet Ward, Hoang Mai District, Ha Noi CityFounding date: 4 - 10 - 2004