Truong Mam Non Hoang Ngoc Address: Nhan Ngoc Hamlet, Hoang Ngoc Commune, Hoang Hoa District, Thanh Hoa Province Enterprise code: 2801561459 Phone: 02372657999 Adress: Hoang Hoa District, Thanh Hoa Province Hoang Ngoc Commune, Hoang Hoa District, Thanh Hoa ProvinceFounding date: 26 - 5 - 2010