Vien Thong Gia Thanh Joint Stock Company Address: 170 Phu Vien, Bo De Ward, Long Bien District, Ha Noi City Enterprise code: 0107543016 Phone: 02438599999 Representative: Nguyen Ngoc Yen Adress: No 17 Hang Dieu, Cua Dong Ward, Hoan Kiem District, Ha Noi City Bo De Ward, Long Bien District, Ha Noi CityFounding date: 22 - 8 - 2016