O To Dong Bac Joint Stock Company Address: KM 5, Hai Yen Ward, Mong Cai City, Quang Ninh Province Enterprise code: 5701748120 Phone: 0912789988 Representative: Dang Minh Hung Adress: Khu 8, Hai Hoa Ward, Mong Cai City, Quang Ninh Province Hai Yen Ward, Mong Cai City, Quang Ninh ProvinceFounding date: 6 - 3 - 2015