Hansong Tech LTD Address: 5th Floor, Eurowindow Multicomplex Building, 27 Tran Duy Hung, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0108345440 Phone: 0868458403 Representative: Seo Minsung Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 29 - 6 - 2018