Trung Tam Vh-Tdtt Huyen Hoang Hoa Address: But Son Town, Hoang Hoa District, Thanh Hoa Province Enterprise code: 2801399686 Phone: 02373865025 Adress: Hoang Hoa District, Thanh Hoa Province But Son Town, Hoang Hoa District, Thanh Hoa ProvinceFounding date: 11 - 6 - 2009