1TV San Xuat Che Bien Kinh Doanh Vat Lieu Xay Dung Thong Nhat LTD Address: Chau Deo Hamlet, Thong Nhat Commune, Ha Long City, Quang Ninh Province Enterprise code: 5702174292 Phone: 0357476022 Representative: Nguyen Quoc Duong Founding date: 13 - 1 - 2025