Ett Joint Stock Company Address: No 9, Lane 17, An Duong Street, Tay Ho District, Ha Noi City Enterprise code: 0105363018 Phone: 02436436349 Representative: Dao Van Hien Adress: No 2D, Lane 595/21, Linh Nam Street, Hoang Mai District, Ha Noi City Tay Ho District, Ha Noi CityFounding date: 15 - 6 - 2011