Tu Van Thiet Ke Dau Tu Va Xay Dung 631 Joint Stock Company Address: 1st Floor, Dau Khi Truong Thi Building, Lane 6, Tran Quang Street, Truong Thi Ward, Vinh City, Nghe An Province Enterprise code: 2902122049 Phone: 02389571913 Representative: Dau Van Kien Truong Thi Ward, Vinh City, Nghe An ProvinceFounding date: 29 - 11 - 2021