Tin Hoc Hai Ho LTD Address: 251 Nguyen Trai, Thanh Xuan Trung Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0101362165 Phone: 02455866637 Thanh Xuan Trung Ward, Thanh Xuan District, Ha Noi CityFounding date: 20 - 5 - 2003