Co Dien Va Xay Dung Cotana Joint Stock Company Address: Lot Cc5a, Ban Dao Linh Dam, Hoang Liet Ward, Hoang Mai District, Ha Noi City Enterprise code: 0103335368 Phone: 02436417768 Representative: Nguyen Sy Quang Adress: Dai Loc Hamlet, Xuan Lai Commune, Gia Binh District, Bac Ninh Province Hoang Liet Ward, Hoang Mai District, Ha Noi CityFounding date: 19 - 2 - 2009