Vang Bac Xa Trinh Address: Trung Tam Hamlet, An Thinh Commune, Van Yen District, Yen Bai Province Enterprise code: 5200889882 Phone: 01668040789; 0368040789 An Thinh Commune, Van Yen District, Yen Bai ProvinceFounding date: 18 - 6 - 2018