Uy Ban Nhan Dan Thi Tran Bac Son Address: Bac Son Town, Pho Yen Town, Thai Nguyen Province Enterprise code: 4600679623 Phone: 02083865105 Adress: Pho Yen Town, Thai Nguyen Province Bac Son Town, Pho Yen City, Thai Nguyen ProvinceFounding date: 20 - 7 - 2009