Vien Thu Nghiem & Nghien Cuu Han Quoc Viet Nam LTD Address: Zoom 18B, 19th Floor, Charmvit Tower, 117 Tran Duy Hung, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0110940020 Phone: 0919666551 Representative: Ha Ngoc Anh Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 18 - 1 - 2025