Xay Dung Ky Thuat Tien Tien LTD Address: No 44, 419 Linh Nam Lane, Linh Nam Ward, Hoang Mai District, Ha Noi City Enterprise code: 0106876781 Phone: 0983756253 Representative: Nguyen Van Tien Adress: Bac Van Hamlet, Thach Van Commune, Thach Ha District, Ha Tinh Province Linh Nam Ward, Hoang Mai District, Ha Noi CityFounding date: 11 - 6 - 2015