Truong Mam Non Thi Tran Bac Son Address: Son Trung Hamlet, Bac Son Town, Pho Yen Town, Thai Nguyen Province Enterprise code: 4600681541 Phone: 02083865322 Adress: Pho Yen Town, Thai Nguyen Province Bac Son Town, Pho Yen City, Thai Nguyen ProvinceFounding date: 22 - 7 - 2009