Phat Trien Truyen Thong Viet Ba Joint Stock Company Address: No 89, Giang Van Minh Street, Doi Can Ward, Ba Dinh District, Ha Noi City Enterprise code: 0106047819 Phone: 02437226256 Representative: Nguyen Xuan Minh Doi Can Ward, Ba Dinh District, Ha Noi CityFounding date: 27 - 11 - 2012