Thuong Mai Va Dich Vu Du Lich Truong Son LTD Address: 249, Doi Can Street, Ngoc Ha Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101209738 Phone: 0247222533 Representative: Nguyen Anh Tho Adress: 31 Le Dai Hanh, Hong Bang District, Hai Phong City Ngoc Ha Ward, Ba Dinh District, Ha Noi CityFounding date: 26 - 2 - 2002