Dau Tu Thuong Mai Va Cong Nghe Thang Long LTD Address: No 31, 125 Trung Kinh Lane, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0107723192 Phone: 0868801900 Representative: Duong Thanh Tam Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 13 - 2 - 2017