Truong THCS Dong Hoang Address: Dong Hoang Commune, Dong Son District, Thanh Hoa Province Enterprise code: 2800787069 Phone: 0237820761 Representative: Hoang Ha Adress: Dong Anh, Dong Son District, Thanh Hoa Province Dong Hoang Commune, Dong Son District, Thanh Hoa ProvinceFounding date: 4 - 2 - 2004