Vien Thong Tuan Ngoc LTD Address: Cam Tan Hamlet, Cam Linh Commune, Ba Vi District, Ha Noi City Enterprise code: 0107923593 Phone: 0985238090 Representative: Phung Ngoc Tuan Cam Linh Commune, Ba Vi District, Ha Noi CityFounding date: 17 - 7 - 2017