Cong Nghe Tin Hoc Va Thuong Mai Thuy Ngan LTD Address: No 91, Civil Group 4, Mai Dong Ward, Hoang Mai District, Ha Noi City Enterprise code: 0101290270 Phone: 0246282156 Representative: Pham Phuc Thang Adress: 305, Truong Chinh Street, Khuong Mai Ward, Thanh Xuan District, Ha Noi City Mai Dong Ward, Hoang Mai District, Ha Noi CityFounding date: 7 - 10 - 2002