Than Da Suoi Bac Address: Cau Thia Hamlet, Phu Nham Commune, Van Chan District, Yen Bai Province Enterprise code: 5200279372 Phone: 0216870380 Representative: Nguyen Duc Sy Phu Nham Commune, Van Chan District, Yen Bai ProvinceFounding date: 25 - 9 - 2007