Dau Tu Topaz Land LTD Address: No 17, 183a Lane, Linh Nam Street, Linh Nam Ward, Hoang Mai District, Ha Noi City Enterprise code: 0108058164 Phone: 02466632118 Representative: Nguyen Minh Duc Linh Nam Ward, Hoang Mai District, Ha Noi CityFounding date: 13 - 11 - 2017