Tu Van Thiet Ke Va Xay Dung Hoa An Joint Stock Company Address: No 10, Khoi Yen Toan, Ha Huy Tap Ward, Ha Huy Tap Ward, Vinh City, Nghe An Province Enterprise code: 2901140020 Phone: 02388902745 Representative: Tran Quy Duong Adress: No 427 Hoang Hoa Tham, Ha Noi Town, Buoi Ward, Tay Ho District, Ha Noi City Ha Huy Tap Ward, Vinh City, Nghe An ProvinceFounding date: 16 - 10 - 2009