Att Systems (Viet Nam) LTD Address: No 200 Nguyen Luong Bang, Quang Trung Ward, Dong Da District, Ha Noi City Enterprise code: 0106216841 Phone: 02435134899 Representative: Tan Ann Jee Adress: No 200 Nguyen Luong Bang, Dong Da District, Ha Noi City Quang Trung Ward, Dong Da District, Ha Noi CityFounding date: 26 - 6 - 2013