Khai Thac Va Che Bien Khoang San Hien Luong LTD Address: Dong Dang Hamlet, Cao Duong Commune, Luong Son District, Hoa Binh Province Enterprise code: 5400367298 Phone: 0905266688 Representative: Tran Thi Nga Adress: Le Loi Street, Van Dinh Town, Ung Hoa District, Ha Noi City Cao Duong Commune, Luong Son District, Hoa Binh ProvinceFounding date: 21 - 7 - 2011