Chi Nhanh Cong Ty Du Lich Thanh Nien Xung Phong Vyc Address: No 46, Bat Su Street, Hoan Kiem District, Ha Noi City Enterprise code: 0300684583-001 Phone: 0249231647; 0249231646 Hoan Kiem District, Ha Noi CityFounding date: 8 - 1 - 1999