Thong Tin Va Truyen Thong Thien Viet Joint Stock Company Address: No 199, Phung Khoang Street, Nam Tu Liem District, Ha Noi City Enterprise code: 0104197657 Phone: 0979814584 Representative: Tran Trung Hieu Nam Tu Liem District, Ha Noi CityFounding date: 8 - 10 - 2009