Dien Oanh Address: Yen Dinh Hamlet, Hung Thinh Commune, Tran Yen District, Yen Bai Province Enterprise code: 5200281491 Phone: 0216821157 Representative: Nguyen Van Dien Adress: Yen Dinh Hamlet, Hung Thinh Commune, Tran Yen District, Yen Bai Province Hung Thinh Commune, Tran Yen District, Yen Bai ProvinceFounding date: 6 - 11 - 2007