Phat Trien Cong Nghe Vien Thong Ha Noi 1 Joint Stock Company Address: No 50, Phan Sy Thuc Street, Khoi 4, Truong Thi Ward, Vinh City, Nghe An Province Enterprise code: 2901261755 Phone: 0974223457 Representative: Hoang Quoc An Adress: Khoi Xuan Bac, Hung Dung Ward, Vinh City, Nghe An Province Truong Thi Ward, Vinh City, Nghe An ProvinceFounding date: 14 - 7 - 2010