Dau Tu Va Dich Vu Dsa Joint Stock Company Address: No 159, Civil Group 8, Khu 8a, Bai Chay Ward, Ha Long City, Quang Ninh Province Enterprise code: 5701522726 Phone: 02033844031 Representative: Le Thi Giang Adress: No 159, Civil Group 8, Khu 8, Bai Chay Ward, Ha Long City, Quang Ninh Province Bai Chay Ward, Ha Long City, Quang Ninh ProvinceFounding date: 14 - 9 - 2011