Tu Van Thiet Ke Xay Dung 26-10 Joint Stock Company Address: Tieu Khu 1, Chieng An Ward, Son La City, Son La Province Enterprise code: 5500343646 Phone: 02122220668 Representative: Doan Ba Hung Adress: Hamlet 4, Lang Thanh Commune, Yen Thanh District, Nghe An Province Chieng An Ward, Son La City, Son La ProvinceFounding date: 8 - 1 - 2009