Thuong Mai Va Dich Vu Truyen Thong 4win Joint Stock Company Address: No 14B, Lane 139, Tan Mai Street, Tan Mai Ward, Hoang Mai District, Ha Noi City Enterprise code: 0108032857 Phone: 0914453672 Representative: Pham Tien Hung Tan Mai Ward, Hoang Mai District, Ha Noi CityFounding date: 23 - 10 - 2017