Ha Tang Vien Thong Viet Nam LTD Address: No 04, Lane 215, Civil Group 6, Dinh Cong Thuong Street, Dinh Cong Ward, Hoang Mai District, Ha Noi City Enterprise code: 0106786841 Phone: 0914099889 Representative: Trinh Xuan Quan Adress: Hamlet 3, Tho Tan Commune, Trieu Son District, Thanh Hoa Province Dinh Cong Ward, Hoang Mai District, Ha Noi CityFounding date: 11 - 3 - 2015