Tu Van Thiet Ke Xay Dung Cong Trinh Giao Thong Hoang Nam Joint Stock Company Address: No 4, Le Ninh Street, Quan Bau Ward, Vinh City, Nghe An Province Enterprise code: 2900531712 Phone: 02383533572 Representative: Chu Ngoc Hai Adress: Khoi 16, Ha Huy Tap Ward, Vinh City, Nghe An Province Quan Bau Ward, Vinh City, Nghe An ProvinceFounding date: 17 - 1 - 2003