Vien Thong Lam Son LTD Address: Ngoc Nhi Hamlet, Cam Linh Commune, Ba Vi District, Ha Noi City Enterprise code: 0107931481 Phone: 0998096096 Representative: Phung Danh Son Cam Linh Commune, Ba Vi District, Ha Noi CityFounding date: 24 - 7 - 2017