Dau Tu Va Xuat Nhap Khau Hai Son Joint Stock Company Address: Civil Group 4, Khu Hong Ha, Ninh Duong Ward, Mong Cai City, Quang Ninh Province Enterprise code: 5701454882 Phone: 0788353838 Representative: Do Thi Hang Adress: Civil Group 4, Hong Ha Ward, Ha Long City, Quang Ninh Province Ninh Duong Ward, Mong Cai City, Quang Ninh ProvinceFounding date: 31 - 12 - 2010