Giao Duc Dau Tu Va Phat Trien Hoang Viet Joint Stock Company Address: No 153, Bac Son Street, Hoang Van Thu Ward, Lang Son City, Lang Son Province Enterprise code: 4900918632 Phone: 0971300788 Representative: Hoang Van Viet Hoang Van Thu Ward, Lang Son City, Lang Son ProvinceFounding date: 17 - 2 - 2025