Cong Nghe Va Truyen Thong Co Viet Joint Stock Company Address: No 34, Doan Ke Thien Street, Mai Dich Ward, Cau Giay District, Ha Noi City Enterprise code: 0105186802 Phone: 02438341491 Representative: Ly Hung Son Adress: Tap The Z157, Civil Group 13, Mai Dich Ward, Cau Giay District, Ha Noi City Mai Dich Ward, Cau Giay District, Ha Noi CityFounding date: 11 - 3 - 2011