Dau Tu Va Xay Dung Vien Thong Bao Nhi Joint Stock Company Address: No 1, Lane 172, Nguyen Tuan Street, Thanh Xuan District, Ha Noi City Enterprise code: 0105840616 Phone: 02462817028 Representative: Nguyen Hong Quang Adress: No 43, 475 Nguyen Trai Lane, Thanh Xuan District, Ha Noi City Thanh Xuan District, Ha Noi CityFounding date: 29 - 3 - 2012