Tu Van Thiet Ke Xay Dung Thuong An LTD Address: Dong Van Commune, Dong Van Town, Dong Van District, Ha Giang Province Enterprise code: 5100166368 Phone: 02193856216 Representative: Luong Man La. Adress: 101, Ly Tu Trong Street, Minh Khai Ward, Ha Giang City, Ha Giang Province Dong Van Town, Dong Van District, Ha Giang ProvinceFounding date: 24 - 3 - 2005