Hop Tac Xa Khai Thac Che Bien Da Voi Thuong Bang La Address: Tham Hamlet, Thuong Bang La Commune, Van Chan District, Yen Bai Province Enterprise code: 5200180366 Phone: 0216873485 Representative: Truong Van Dang Adress: Minh Hoa Commune, Kinh Mon District, Hai Duong Province Thuong Bang La Commune, Van Chan District, Yen Bai ProvinceFounding date: 29 - 9 - 2000