Dau Tu Va Cong Nghe O To Viet Joint Stock Company Address: No 316, Le Trong Tan Street, Dinh Cong Ward, Hoang Mai District, Ha Noi City Enterprise code: 0101973051 Phone: 0903289978 Representative: Le Khanh Minh Adress: No 110, Civil Group 25, Dong Anh Town, Dong Anh District, Ha Noi City Dinh Cong Ward, Hoang Mai District, Ha Noi CityFounding date: 16 - 6 - 2006