O To Ba Sao Joint Stock Company Address: No 58a, Luong Su C Lane, Van Chuong Ward, Dong Da District, Ha Noi City Enterprise code: 0106194820 Phone: 02437765698 Representative: Luu Bach Khoa Adress: Zoom 2a5, Tap The Yen Lang, Thinh Quang Ward, Dong Da District, Ha Noi City Van Chuong Ward, Dong Da District, Ha Noi CityFounding date: 31 - 5 - 2013