Duong Dung Address: Gia Hamlet, Yen Dong Commune, Yen Lac District, Vinh Phuc Province Enterprise code: 2500280542 Phone: 0211836338 Representative: Duong Quang Dung Adress: Gia Hamlet, Yen Dong Commune, Yen Lac District, Vinh Phuc Province Yen Dong Commune, Yen Lac District, Vinh Phuc ProvinceFounding date: 31 - 7 - 2007