Topica Courseware Joint Stock Company Address: 75, Phuong Mai Street, Phuong Mai Ward, Dong Da District, Ha Noi City Enterprise code: 0108161394 Phone: 02462537502 Representative: Nguyen Tung Lam Phuong Mai Ward, Dong Da District, Ha Noi CityFounding date: 6 - 2 - 2018