Duong Ngoc Bao Han LTD Address: Hamlet 8, Thuy Khue Hamlet, Sai Son Commune, Quoc Oai District, Ha Noi City Enterprise code: 0110873913 Phone: 0916460990 Representative: Le Hoang Anh Sai Son Commune, Quoc Oai District, Ha Noi CityFounding date: 28 - 10 - 2024