Cong Nghe Viet Au LTD Address: No 6B, Trang Thi Street, Hang Trong Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0109842565 Phone: 02438285781 Representative: Nguyen Huy Linh Hang Trong Ward, Hoan Kiem District, Ha Noi CityFounding date: 3 - 12 - 2021