Vien Thong Ha Noi Joint Stock Company Address: Lot B3, So 5 Residential Area, Khue Trung Ward, Cam Le District, Da Nang City Enterprise code: 0400467078 Phone: 02363699444 Adress: Cam Le District, Da Nang City Khue Trung Ward, Cam Le District, Da Nang CityFounding date: 16 - 7 - 2004