Truong Mam Non Dong Thinh Address: Dong Thinh, Dong Son District, Thanh Hoa Province Enterprise code: 2801407288 Phone: 02373691823 Adress: Dong Son District, Thanh Hoa Province Dong Thinh Commune, Dong Son District, Thanh Hoa ProvinceFounding date: 2 - 7 - 2009