Dich Vu Truyen Thong Hoang Anh Joint Stock Company Address: No 14, 49a Civil Group, Lane 259, Yen Hoa Street, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0105978879 Phone: 02462977071 Representative: Nguyen Hoang Ha Adress: Hamlet 15, Cam Thinh Commune, Cam Xuyen District, Ha Tinh Province Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 27 - 8 - 2012