Thuong Mai Va Tin Hoc Thanh Tam LTD Address: No 82, Le Thanh Nghi Street, Bach Khoa Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101334993 Phone: 0248643477 Bach Khoa Ward, Hai Ba Trung District, Ha Noi CityFounding date: 27 - 2 - 2003