Dau Tu Xay Dung Duy Loi Joint Stock Company Address: Hamlet 9, Hop Minh Commune, Yen Bai City, Yen Bai Province Enterprise code: 5200464304 Phone: 0912530139 Representative: Nguyen Van Tien Adress: Hamlet 9, Hop Minh Commune, Yen Bai City, Yen Bai Province Hop Minh Ward, Yen Bai City, Yen Bai ProvinceFounding date: 17 - 9 - 2009