Dau Tu Va Phat Trien Ha Tang Do Thi Thang Long QN LTD Address: KM 5, Khu 2, Hai Yen Ward, Mong Cai City, Quang Ninh Province Enterprise code: 5701929631 Phone: 0943767968 Representative: Vy Xuan Hong Hai Yen Ward, Mong Cai City, Quang Ninh ProvinceFounding date: 19 - 4 - 2018