Dau Tu Thuong Mai Va Dich Vu Duy Long LTD Address: No 13, Hang Can Street, Hang Dao Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0105442862 Phone: 0988128342 Representative: Nguyen Viet Dung Adress: No 13, Hang Can Street, Hang Dao Ward, Hoan Kiem District, Ha Noi City Hang Dao Ward, Hoan Kiem District, Ha Noi CityFounding date: 8 - 8 - 2011