Cong Nghe Hai Au Joint Stock Company Address: No 14, Lane 550/9, Bach Dang Street, Bach Dang Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0105269671 Phone: 02466848479 Representative: Nguyen Hoang Long Adress: K54, Civil Group 68, Bach Dang Ward, Hai Ba Trung District, Ha Noi City Bach Dang Ward, Hai Ba Trung District, Ha Noi CityFounding date: 21 - 4 - 2011