Giai Phap He Thong Thong Tin Thang Long Joint Stock Company Address: No 1, Lane 110, Tran Dai Nghia Street, Bach Khoa Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0102315175 Phone: 02438696692 Representative: Nguyen Van Truong Adress: In Buu Dien Town, Dang Xa Commune, Gia Lam District, Ha Noi City Bach Khoa Ward, Hai Ba Trung District, Ha Noi CityFounding date: 13 - 7 - 2007