Van Phong Dai Dien Bach Mai – Cong Ty TNHH Dau Tu Va Thuong Mai Viet Smile Travel Address: Nha A10, 128C Lane, Dai La Street, Bach Mai Ward, Ha Noi Town, Viet Nam, Ha Noi City Enterprise code: 0109397709-001 Phone: 0908485058 Representative: Nguyen Xuan Truong Ha Noi CityFounding date: 24 - 9 - 2025