Cong Nghe Va Truyen Thong CK Joint Stock Company Address: No 4, Lane 122, Dinh Cong Street, Hoang Mai District, Ha Noi City Enterprise code: 0102020485 Phone: 0246647888; 0246647889 Representative: Nguyen Van Ket Adress: Khoi 6, Vinh City, Nghe An Province Hoang Mai District, Ha Noi CityFounding date: 31 - 8 - 2006