Nano Silver Viet Nam LTD Address: No 19/125 Bui Xuong Trach, Khuong Dinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0109310088 Phone: 0825545555 Representative: Vu Ngoc Chuyen Khuong Dinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 18 - 8 - 2020