Phat Trien Cong Nghe Phong Son LTD Address: No 9, Alley 113, 189 Hoang Hoa Tham Lane, Lieu Giai Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101605971 Phone: 0248471168 Representative: Duong Thanh Binh Adress: Ninh Thon Hamlet, Cam Ninh Commune, An Thi District, Hung Yen Province Lieu Giai Ward, Ba Dinh District, Ha Noi CityFounding date: 4 - 2 - 2005