Ban Quan Ly Du An Xay Dung Duong Giao Thong Cac Tinh Mien Nui Phia Bac Von Vay Adb Tinh Yen Bai Address: No 165, Ly Thuong Kiet Street, Yen Bai City, Yen Bai Province Enterprise code: 5200700985 Phone: 02163867487 Yen Bai City, Yen Bai ProvinceFounding date: 6 - 2 - 2012