Tap Doan Nano Smart Joint Stock Company Address: N010-LK19, Le Lai Street, Ha Cau Ward, Ha Dong District, Ha Noi City Enterprise code: 0109775566 Phone: 0865596475 Representative: Nguyen Khac Dung Ha Cau Ward, Ha Dong District, Ha Noi CityFounding date: 13 - 10 - 2021