Tong Doi Thanh Nien Xung Phong 26-3 Address: Zoom 1 Tang 4 Nha 4, No 15B Ho Xuan Huong, Hai Ba Trung District, Ha Noi City Enterprise code: 0100110020-008 Phone: 02439454950 Hai Ba Trung District, Ha Noi CityFounding date: 29 - 9 - 2003
Trung Tam Thuong Mai Du Lich & Hoat Dong Nhan Dao Thanh Nien Address: No 1 Nghi Tam, Tay Ho District, Ha Noi City Enterprise code: 0100110020-007 Phone: 02439454950 Tay Ho District, Ha Noi CityFounding date: 4 - 6 - 1999
Trung Tam Du Lich Va Dich Vu Dong Phuong Address: 4B, Thanh Street, Hoan Kiem District, Ha Noi City Enterprise code: 0100110020-003 Phone: 02439454950 Hoan Kiem District, Ha Noi CityFounding date: 8 - 2 - 1999