Thuong Mai Dien Tu Happy Groups Joint Stock Company Address: No 9/23/37, Dai Dong Street, Thanh Tri Ward, Hoang Mai District, Ha Noi City Enterprise code: 0109427336 Phone: 0948048003 Representative: Le Thi Hong Thanh Tri Ward, Hoang Mai District, Ha Noi CityFounding date: 23 - 11 - 2020