Hien Hoang Address: Thanh Nhat Town, Ha Lang District, Cao Bang Province Enterprise code: 4800777787 Phone: 02066299234 Representative: Tran Van Hoang Adress: Hamlet 5, Quang Chinh Commune, Hai Ha District, Quang Ninh Province Thanh Nhat Town, Ha Lang District, Cao Bang ProvinceFounding date: 5 - 12 - 2011