Sach Dien Tu Digibook Joint Stock Company Address: 4th Floor, No 62, Truong Cong Giai Street, Dich Vong Ward, Cau Giay District, Ha Noi City Enterprise code: 0110073730 Phone: 0839735735 Representative: Nguyen Thi Huong Giang Dich Vong Ward, Cau Giay District, Ha Noi CityFounding date: 26 - 7 - 2022