Hang Rao Chau Au Joint Stock Company Address: No 15, Alley 17, Lane 167, Phuong Mai Ward, Dong Da District, Ha Noi City Enterprise code: 0105631820 Phone: 02422110326 Representative: Nguyen Van Toan Adress: Hung Dao Hamlet, Tay Dang Town, Ba Vi District, Ha Noi City Phuong Mai Ward, Dong Da District, Ha Noi CityFounding date: 11 - 11 - 2011