Tu Van Va Xay Dung Hoang An Joint Stock Company Address: No 30/800, Thien Loi Street, Kenh Duong Ward, Le Chan District, Hai Phong City Enterprise code: 0201088727 Phone: 02258601153 Representative: Bui Ngoc Hien Adress: No 10 Dien Bien Phu, May To Ward, Ngo Quyen District, Hai Phong City Kenh Duong Ward, Le Chan District, Hai Phong CityFounding date: 23 - 6 - 2010