Thuong Mai Dich Vu Bau Troi Xanh LTD Address: No 56B Ba Trieu, Hang Bai Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0101159999 Phone: 0248241492 Hang Bai Ward, Hoan Kiem District, Ha Noi CityFounding date: 7 - 9 - 2001