Sayhoa LTD Address: No 4 Tong Dan, Ly Thai To Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0110061742 Phone: 0938796116 Representative: Ngo Tien Hung Adress: Tap The Dai Hoc Tong Hop, Thanh Xuan Bac Ward, Thanh Xuan District, Ha Noi City Ly Thai To Ward, Hoan Kiem District, Ha Noi CityFounding date: 15 - 7 - 2022