Truong PTTH Hoang Hoa 4 Address: Hoang Thanh Commune, Hoang Hoa District, Thanh Hoa Province Enterprise code: 2800756769 Phone: 0237640319 Hoang Thanh Commune, Hoang Hoa District, Thanh Hoa ProvinceFounding date: 4 - 9 - 2003