Dau Tu Va Phat Trien Du Lich Truong Son LTD Address: 50 B7, Giao Thong Van Tai Town, Lang Ha Ward, Dong Da District, Ha Noi City Enterprise code: 0101434613 Phone: 0247731291 Representative: Luu Truong Son Adress: 50 B7, Giao Thong Van Tai Town, Lang Ha Ward, Dong Da District, Ha Noi City Lang Ha Ward, Dong Da District, Ha Noi CityFounding date: 9 - 1 - 2004