Tu Van Va Khao Sat Xay Dung Bac Ha Joint Stock Company Address: Duc Hau Hamlet, Duc Hoa Commune, Soc Son District, Ha Noi City Enterprise code: 0107352614 Phone: 0974211080 Representative: Dang Dinh Cong Adress: Duc Hau Hamlet, Duc Hoa Commune, Soc Son District, Ha Noi City Duc Hoa Commune, Soc Son District, Ha Noi CityFounding date: 11 - 3 - 2016