Cac Giai Phap Vien Thong Va Cong Nghe Thong Tin Joint Stock Company Address: No 154 N1, Nghia Tan Ward, Cau Giay District, Ha Noi City Enterprise code: 0101731687 Phone: 0247561810 Representative: Do Hoang Diep Adress: No 85, Civil Group 4, Mo Lao Ward, Ha Dong District, Ha Noi City Nghia Tan Ward, Cau Giay District, Ha Noi CityFounding date: 28 - 7 - 2005