Phan Mem Tin Hoc Tung Duong LTD Address: 616/7a Ban Dao Linh Dam, Hoang Liet Ward, Hoang Mai District, Ha Noi City Enterprise code: 0101711909 Phone: 0953406527 Representative: Trinh Ba Tung Adress: No 86B, Tien Phong Street, Quynh Loi Ward, Hai Ba Trung District, Ha Noi City Hoang Liet Ward, Hoang Mai District, Ha Noi CityFounding date: 11 - 7 - 2005