Kiem Toan Va Tu Van Thang Long LTD Address: No 23, 61 Tran Duy Hung Lane, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0101380284 Phone: 02462510008 Representative: Tu Quynh Hanh Adress: 4 Kim Quan Civil Group, Viet Hung Ward, Long Bien District, Ha Noi City Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 8 - 7 - 2003