Dau Tu Va Xay Dung Bac Son Phu Tho LTD Address: No 1, Lane 84, Tho Son Street, Doan Hung Town, Doan Hung District, Phu Tho Province Enterprise code: 2601076800 Phone: 0976156404 Representative: Dang Vinh Quang Doan Hung Town, Doan Hung District, Phu Tho ProvinceFounding date: 18 - 3 - 2022