Truong THCS Yen Son Address: Da Qua 2 Hamlet, Yen Son Commune, Ha Trung District, Thanh Hoa Province Enterprise code: 2803007817 Phone: 0813512457 Representative: Le Thi Huong Yen Son Commune, Ha Trung District, Thanh Hoa ProvinceFounding date: 6 - 12 - 2021