Tu Van Thiet Ke Xay Dung Duy Nam Joint Stock Company Address: Civil Group 2, Yen Binh Town, Quang Binh District, Ha Giang Province Enterprise code: 5100446968 Phone: 0976954598 Representative: Dao Van Thu Yen Binh Town, Quang Binh District, Ha Giang ProvinceFounding date: 3 - 4 - 2017