Quang Cao Truyen Thong Trong Tin Joint Stock Company Address: No 91, Doi Can Street, Doi Can Ward, Ba Dinh District, Ha Noi City Enterprise code: 0105274551 Phone: 02436617537 Representative: Pham Van Huy Adress: Doai Hamlet, Xuan Phu Commune, Phuc Tho District, Ha Noi City Doi Can Ward, Ba Dinh District, Ha Noi CityFounding date: 25 - 4 - 2011