Tu Van Thiet Ke Va Xay Dung Thien An Group Joint Stock Company Address: No 15-B32, Cao Xanh - Ha Khanh A Urban Area, Cao Xanh Ward, Ha Long City, Quang Ninh Province Enterprise code: 5702132366 Phone: 0936656338 Representative: Nguyen Tien Trinh Adress: 52C Civil Group, Khu 4, Cao Xanh Ward, Ha Long City, Quang Ninh Province Cao Xanh Ward, Ha Long City, Quang Ninh ProvinceFounding date: 23 - 3 - 2023