Tu Van Xay Dung Yen Ha LTD Address: Moi Bo Song Hamlet, Khu 5, La Khe Ward, Ha Dong District, Ha Noi City Enterprise code: 0500559029 Phone: 02433527899 Representative: Ha Thi Yen Adress: 29, Lane 117, Khuong Dinh Street, Thanh Xuan District, Ha Noi City La Khe Ward, Ha Dong District, Ha Noi CityFounding date: 16 - 5 - 2007