Dong Bac Joint Stock Company Address: No 1076, Ha Long Street, Bai Chay Ward, Ha Long City, Quang Ninh Province Enterprise code: 5701384360 Phone: 02033840981 Representative: Vu Trong Doan Adress: No 490, Ha Long Street, Bai Chay Ward, Ha Long City, Quang Ninh Province Bai Chay Ward, Ha Long City, Quang Ninh ProvinceFounding date: 19 - 4 - 2010