Dau Tu Va Xay Dung So 9 Joint Stock Company Address: No 864, Yen Ninh Street, Minh Tan Ward, Yen Bai City, Yen Bai Province Enterprise code: 5200507727 Phone: 02163818189 Representative: Phan Van Bac Adress: Civil Group 71, Nguyen Thai Hoc Ward, Yen Bai City, Yen Bai Province Minh Tan Ward, Yen Bai City, Yen Bai ProvinceFounding date: 5 - 4 - 2010