Phat Trien Vien Thong Trang Tu Joint Stock Company Address: Quy Duong Hamlet, Tan Truong Commune, Cam Giang District, Hai Duong Province Enterprise code: 0800459586 Phone: 02203784963 Representative: Luu Danh Hung Adress: Nhan My Hamlet, My Dinh Commune, Tu Liem District, Ha Noi City Tan Truong Commune, Cam Giang District, Hai Duong ProvinceFounding date: 19 - 9 - 2008