Dau Tu Xay Dung Vien Thong Vi Phuong Joint Stock Company Address: No 368, Civil Group 3, Kim Bai Town, Thanh Oai District, Ha Noi City Enterprise code: 0103588418 Phone: 02433602999 Representative: Tran Hong Song Adress: Lieu Vien Hamlet, Nghiem Xuyen Commune, Thuong Tin District, Ha Noi City Kim Bai Town, Thanh Oai District, Ha Noi CityFounding date: 18 - 3 - 2009