Tu Van Xay Dung Tuan Phuc – Chi Nhanh Lang Son LTD Address: No 29, Tran Hung Dao Street, Khoi Cua Bac, Luong Van Tri Ward, Tinh Lang Son, Viet Nam Enterprise code: 5500543412-001 Phone: 0962927990 Representative: Ta Van Tuan Lang Son ProvinceFounding date: 8 - 1 - 2026