Doi Quan Ly Thi Truong Dai Tu Address: Hamlet 2, Son District, Hung Son Commune, Dai Tu District, Thai Nguyen Province Enterprise code: 4600969474 Phone: 02083824394 Adress: Dai Tu District, Thai Nguyen Province Hung Son Commune, Dai Tu District, Thai Nguyen ProvinceFounding date: 26 - 7 - 2011