In Va Truyen Thong Nam Thanh Joint Stock Company Address: No 27, Lane 210, 41 Doi Can Alley, Doi Can Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101410690 Phone: 0248465642 Representative: Nguyen Thi Kim Nguyet Adress: No 59 Bach Mai, O Cau Den Ward, Hai Ba Trung District, Ha Noi City Doi Can Ward, Ba Dinh District, Ha Noi CityFounding date: 23 - 10 - 2003