Tu Van Dau Tu Phat Trien Ha Tang Quang Ninh Joint Stock Company Address: No 17, Civil Group 52, Cao Xanh Urban Area, Ha Khanh A, Cao Xanh Ward, Ha Long City, Quang Ninh Province Enterprise code: 5701615988 Phone: 0904222126 Representative: Dang Hong Duong Cao Xanh Ward, Ha Long City, Quang Ninh ProvinceFounding date: 19 - 4 - 2012