Tu Van Va Xay Dung Yna Viet Nam Joint Stock Company Address: No 22/670, Ha Huy Tap Street, Yen Vien Town, Gia Lam District, Ha Noi City Enterprise code: 0107125241 Phone: 0969355255 Representative: Le Nhat Linh Adress: No 22/670, Ha Huy Tap Street, Yen Vien Town, Gia Lam District, Ha Noi City Yen Vien Town, Gia Lam District, Ha Noi CityFounding date: 19 - 11 - 2015