Tu Van Va Xay Dung Tay Bac Joint Stock Company Address: Nha Ong Hoang Xuan Cuong, Hamlet 18, Hoi Son Commune, Anh Son District, Nghe An Province Enterprise code: 2900716350 Phone: 0238721286 Representative: Phan Trong Khang Hoi Son Commune, Anh Son District, Nghe An ProvinceFounding date: 9 - 11 - 2005