Khoang San Dai Duong LTD Address: Chua Hamlet, Van Dien Hamlet, Tu Hiep Commune, Thanh Tri District, Ha Noi City Enterprise code: 0101486876 Phone: 0248611738 Representative: Nguyen Dai Duong Adress: Hamlet 14, Phu Chau Commune, Dong Hung District, Thai Binh Province Tu Hiep Commune, Thanh Tri District, Ha Noi CityFounding date: 21 - 5 - 2004