Khoang San Tien Son Thanh LTD Address: Nganh Hamlet, Tien Son Commune, Luong Son District, Hoa Binh Province Enterprise code: 5400296294 Phone: 0218474309 Representative: Nguyen Viet Tru Adress: Viet Quang Town, Bac Quang District, Ha Giang Province Tien Son Commune, Luong Son District, Hoa Binh ProvinceFounding date: 4 - 11 - 2008