Chi Nhanh Ha Noi Cong Ty TNHH Dich Vu Thuong Mai Duong Bien Address: 66 Nguyen Cong Hoan, Ba Dinh District, Ha Noi City Enterprise code: 0301439009-004 Phone: 0248254683 Ba Dinh District, Ha Noi CityFounding date: 20 - 6 - 2000