Ban Quan Ly Cong Vien Dia Chat Lang Son Address: No 320 Ba Trieu, Vinh Trai Ward, Lang Son City, Lang Son Province Enterprise code: 4900889068 Phone: 0985693790 Representative: Hoang The Vinh Adress: No 58 Nguyen Thi Minh Khai, Bac Son Town, Bac Son District, Lang Son Province Vinh Trai Ward, Lang Son City, Lang Son ProvinceFounding date: 12 - 8 - 2022