Phat Trien Thong Tin Va Truyen Thong Viet Joint Stock Company Address: No 8, Lane 260, Le Trong Tan Street, Khuong Mai Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0103409362 Phone: 02435666663 Representative: Khuong Van Thuan Adress: Nga Nhan Commune, Nga Son District, Thanh Hoa Province Khuong Mai Ward, Thanh Xuan District, Ha Noi CityFounding date: 27 - 2 - 2009