Datumsky Joint Stock Company Address: 2nd Floor, No 3/80, Hoang Ngan Street, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0109937753 Phone: 02977237708 Representative: Tran Danh Thanh Adress: No 3/80, Hoang Ngan Street, Trung Hoa Ward, Cau Giay District, Ha Noi City Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 21 - 3 - 2022