Doi Quan Ly Thi Truong Dinh Hoa Address: Cho Chu Town, Dinh Hoa District, Thai Nguyen Province Enterprise code: 4600745379 Phone: 02083878329 Adress: Dinh Hoa District, Thai Nguyen Province Cho Chu Town, Dinh Hoa District, Thai Nguyen ProvinceFounding date: 15 - 9 - 2009