Phat Trien Truyen Thong Dinh Cao Joint Stock Company Address: 1a/860 Bach Dang, Thanh Luong Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0102785759 Phone: 0977787678 Representative: Nguyen Thi Thu Hang Adress: No 64, 81 Lac Long Quan Lane, Tay Ho District, Ha Noi City Thanh Luong Ward, Hai Ba Trung District, Ha Noi CityFounding date: 23 - 6 - 2008