O To Dong Ha Joint Stock Company Address: Quan Ngang Industrial Zone, Gio Quang Commune, Gio Linh District, Quang Tri Province Enterprise code: 3200569092 Phone: 0972556699 Representative: Duong Tien Dung Adress: 506, A5 Tap The Thanh Cong, Thanh Cong Ward, Ba Dinh District, Ha Noi City Gio Quang Commune, Gio Linh District, Quang Tri ProvinceFounding date: 1 - 4 - 2013