Dau Tu Tong Hop Truyen Thong DS Joint Stock Company Address: 9th Floor, Royal Building, 180 Trieu Viet Vuong, Bui Thi Xuan Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0105595650 Phone: 02439749395 Representative: Nguyen Viet Tu Adress: 41/25a Phan Dinh Phung, Quan Thanh Ward, Ba Dinh District, Ha Noi City Bui Thi Xuan Ward, Hai Ba Trung District, Ha Noi CityFounding date: 28 - 10 - 2011