Tu Van Xay Dung Tan Hoang Mai LTD Address: Civil Group 2, Minh Khai Ward, Ha Giang City, Ha Giang Province Enterprise code: 5100267976 Phone: 02193887819 Representative: Nguyen Ngoc Oanh Adress: Civil Group 02, Minh Khai Ward, Ha Giang City, Ha Giang Province Minh Khai Ward, Ha Giang City, Ha Giang ProvinceFounding date: 20 - 3 - 2009