Dong Duong Joint Stock Company Address: No 524, Ha Long Street, Bai Chay Ward, Ha Long City, Quang Ninh Province Enterprise code: 5700466860 Phone: 02143841935 Representative: Nguyen Viet Hung Adress: No 524, Ha Long Street, Bai Chay Ward, Ha Long City, Quang Ninh Province Bai Chay Ward, Ha Long City, Quang Ninh ProvinceFounding date: 16 - 10 - 2003