Cong Nghe Vien Thong T.V.T Joint Stock Company Address: Civil Group 16, Hoa Khanh Nam Ward, Lien Chieu District, Da Nang City Enterprise code: 0400604782 Phone: 02363735353 Adress: 145/45 Hoang Van Thai, Lien Chieu District, Da Nang City Hoa Khanh Nam Ward, Lien Chieu District, Da Nang CityFounding date: 6 - 3 - 2008