Dau Tu Va Xay Dung Van Thanh Joint Stock Company Address: 1st Floor Va 3, Dong Sinh Hamlet, Hong Tien Commune, Pho Yen Town, Thai Nguyen Province Enterprise code: 4600367582 Phone: 0913547967 Representative: Nguyen Chi Kiem Adress: Dong Sinh Hamlet, Hong Tien Commune, Pho Yen Town, Thai Nguyen Province Hong Tien Ward, Pho Yen City, Thai Nguyen ProvinceFounding date: 30 - 3 - 2005