Dau Tu Va Xay Dung Hai Van Son Joint Stock Company Address: 37 Thanh Son, Thanh Binh Ward, Hai Chau District, Da Nang City Enterprise code: 0401167239 Phone: 02363835326 Adress: 27/27 Nguyen Thanh Han, Hoa Thuan Tay Ward, Hai Chau District, Da Nang City Thanh Binh Ward, Hai Chau District, Da Nang CityFounding date: 23 - 4 - 2009