Viettonkin Consulting LTD Address: Zoom 302, 3rd Floor, Thang Long GTC Building, No 115 Le Duan, Cua Nam Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0108220850 Phone: 02438728518 Representative: Nguyen Duc Hieu Adress: No 111 Dang Van Ngu, Phuong Lien Ward, Dong Da District, Ha Noi City Cua Nam Ward, Hoan Kiem District, Ha Noi CityFounding date: 11 - 4 - 2018