Vien Thong Hoang Gia Joint Stock Company Address: Duong Ha Hamlet, Thang Loi Commune, Van Giang District, Hung Yen Province Enterprise code: 0900551666 Phone: 02213933777 Representative: Tran Dien Huynh Adress: Duong Ha Hamlet, Thang Loi Commune, Van Giang District, Hung Yen Province Thang Loi Commune, Van Giang District, Hung Yen ProvinceFounding date: 7 - 4 - 2010