Dien Tu Vien Thong P.T.C Joint Stock Company Address: Lot 1B Ha Huy Tap, Hoa Khe Ward, Thanh Khe District, Da Nang City Enterprise code: 0400481033 Phone: 02363759201 Hoa Khe Ward, Thanh Khe District, Da Nang CityFounding date: 16 - 2 - 2005