Dau Tu Va Phat Trien Dien Yen Bai Joint Stock Company Address: Hat 2 Hamlet, Hat Liu Commune, Tram Tau District, Yen Bai Province Enterprise code: 5200565750 Phone: 0949873997 Representative: Nguyen Tat Dat Adress: No 712, Quarter 8, Co Phuc Town, Tran Yen District, Yen Bai Province Tram Tau District, Yen Bai ProvinceFounding date: 10 - 8 - 2010