Tu Van Xay Dung Ha Sang Joint Stock Company Address: No 4, LK13, Ka Long Urban Area, Ka Long Ward, Mong Cai City, Quang Ninh Province Enterprise code: 5701681250 Phone: 02036270266 Representative: Ha Minh Loi Adress: 1 Khu I Civil Group, Tran Phu Ward, Mong Cai City, Quang Ninh Province Ka Long Ward, Mong Cai City, Quang Ninh ProvinceFounding date: 24 - 7 - 2013