Cong Nghe Tin Hoc Dai Nam LTD Address: No 3, 18 Huynh Thuc Khang Lane, Lang Ha Ward, Lang Ha Ward, Dong Da District, Ha Noi City Enterprise code: 0101372389 Phone: 0248358365 Representative: Le Tuan Son Adress: No 12, Alley 1/33, 1 Kham Thien Lane, Dong Da District, Ha Noi City Lang Ha Ward, Dong Da District, Ha Noi CityFounding date: 13 - 6 - 2003