Quang Cao Thuong Mai Du Lich Lu Hanh Tre Ha Noi Joint Stock Company Address: No 1, Son Tay Street, Dien Bien Ward, Dien Bien Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101800228 Phone: 0245130174 Representative: Duong Xuan Thinh Adress: No 1, Son Tay Street, Dien Bien Ward, Ba Dinh District, Ha Noi City Dien Bien Ward, Ba Dinh District, Ha Noi CityFounding date: 21 - 10 - 2005