Trung Tam Giam Dinh Chat Luong Va Quy Hoach Xay Dung Lang Son Address: Nhi Thanh Street, Tam Thanh Ward, Lang Son City, Lang Son Province Enterprise code: 4900891885 Phone: 0986606009 Representative: Nong Quang Hieu Adress: 142 Ba Trieu, Hoang Van Thu Ward, Lang Son City, Lang Son Province Tam Thanh Ward, Lang Son City, Lang Son ProvinceFounding date: 18 - 1 - 2023