Dau Tu Phat Trien Thien An Viet Nam Joint Stock Company Address: No 30, Lane 40, Chinh Kinh Street, Nhan Chinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0105678667 Phone: 0904625658 Representative: Pham Van Hung Adress: Hamlet 2, Phuc Trach Commune, Huong Khe District, Ha Tinh Province Nhan Chinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 29 - 11 - 2011