Dau Tu Va Phat Trien Dong Phu Lang Son Joint Stock Company Address: No 268, Hung Vuong Street, Khoi Hoang Hoa Tham, Chi Lang Ward, Lang Son City, Lang Son Province Enterprise code: 4900891469 Phone: 0947223888 Representative: Hoang Van Quyet Adress: No 85, Nguyen Thai Hoc Street, Chi Lang Ward, Lang Son City, Lang Son Province Chi Lang Ward, Lang Son City, Lang Son ProvinceFounding date: 21 - 12 - 2022