Dich Vu Vien Thong Sim Yen LTD Address: No 845 Ba La, Phu La Ward, Ha Dong District, Ha Noi City Enterprise code: 0107931499 Phone: 0962196688 Representative: Nguyen Thi Yen Phu La Ward, Ha Dong District, Ha Noi CityFounding date: 21 - 7 - 2017