Ritter Mitter LTD Address: 444 Hoang Hoa Tham, Thuy Khue Ward, Tay Ho District, Ha Noi City Enterprise code: 0108026444 Phone: 0989260708 Representative: Nguyen Duy Cong Adress: No 9 Civil Group 37, Dich Vong Ward, Cau Giay District, Ha Noi City Thuy Khue Ward, Tay Ho District, Ha Noi CityFounding date: 17 - 10 - 2017