Vien Thong So Toan Cau LTD Address: 122, Phu Dien Street, Phu Dien Ward, Bac Tu Liem District, Ha Noi City Enterprise code: 0108269486 Phone: 0971277999 Representative: Bui Thi Phuong Loan Phu Dien Ward, Bac Tu Liem District, Ha Noi CityFounding date: 11 - 5 - 2018