Thanh Duong Ha Long Address: Civil Group 4, Khu 10, Bai Chay Ward, Ha Long City, Quang Ninh Province Enterprise code: 5701753836 Phone: 0902285633 Representative: Vu Van Duong Adress: Civil Group 9, Khu 5, Ha Tu Ward, Ha Long City, Quang Ninh Province Bai Chay Ward, Ha Long City, Quang Ninh ProvinceFounding date: 21 - 4 - 2015