Hop Tac Xa Trung Thanh Address: Na Tuy, Chi Vien, Chi Vien Commune, Trung Khanh District, Cao Bang Province Enterprise code: 4800430954 Phone: 02372094629 Representative: Hoang Cong Trung Adress: Na Tuy, Chi Vien, Chi Vien Commune, Trung Khanh District, Cao Bang Province Chi Vien Commune, Trung Khanh District, Cao Bang ProvinceFounding date: 6 - 4 - 2010