Dau Tu Va Phat Trien Truyen Thong HHK Viet Nam Joint Stock Company Address: No 18, 259 Yen Hoa Lane, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0107356457 Phone: 0942300246 Representative: Ho Thi Quynh Huong Adress: 301 - D6, Tap The Giang Vo, Giang Vo Ward, Ba Dinh District, Ha Noi City Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 15 - 3 - 2016