Tu Van Xay Dung Hoang Duong Na LTD Address: No 43, Hai Thuong Lan Ong Street, Vinh Phu Ward, Vinh City, Nghe An Province Enterprise code: 2902270304 Phone: 0911881682 Representative: Vu Thi Thu Vinh City, Nghe An ProvinceFounding date: 1 - 4 - 2026