Dau Tu Vat Lieu Xay Dung Bac Ha Joint Stock Company Address: No 25, Lane 98, Nguyen Ngoc Nai, Khuong Mai Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0105199350 Phone: 02439995896 Representative: Duong Van Tha Adress: No 97, Thanh Xuan Street, Doi Ngo Town, Luc Nam District, Bac Giang Province Khuong Mai Ward, Thanh Xuan District, Ha Noi CityFounding date: 18 - 3 - 2011