Van Phong Hoi Dong Danh Gia Tru Luong Khoang San Quoc Gia Address: No 10 Ton That Thuyet, Dich Vong Hau Ward, Cau Giay District, Ha Noi City Enterprise code: 0103229994 Phone: 02439334863 Representative: Dang Van Lam Dich Vong Hau Ward, Cau Giay District, Ha Noi CityFounding date: 22 - 1 - 2009