Rio Solution LTD Address: P.219, 2nd Floor, TTTM Grand Plaza, No 117 Tran Duy Hung, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0109543029 Phone: 0968441780 Representative: Hwang Jaeseok Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 9 - 3 - 2021