Duong Thang LTD Address: Civil Group 8, Khu 9a, Bai Chay Ward, Ha Long City, Quang Ninh Province Enterprise code: 5700603066 Phone: 02033846325 Representative: Duong Thanh Hoai Adress: Civil Group 8, Khu 9a, Bai Chay Ward, Ha Long City, Quang Ninh Province Bai Chay Ward, Ha Long City, Quang Ninh ProvinceFounding date: 1 - 8 - 2006