Thuong Mai & Dich Vu Duong Long BK Joint Stock Company Address: No 455, 9a Civil Group, Duc Xuan Ward, Bac Kan City, Bac Kan Province Enterprise code: 4700282766 Phone: 0972359866 Representative: Bui Xuan Quynh Duc Xuan Ward, Bac Kan City, Bac Kan ProvinceFounding date: 28 - 1 - 2021