Vat Lieu Xay Dung Thuong Binh Xuan Ai Joint Stock Company Address: Tan Tien I Hamlet, Xuan Ai Commune, Van Yen District, Yen Bai Province Enterprise code: 5200277456 Phone: 0216836671 Representative: Do Thanh Son Adress: Tan Tien I Hamlet, Xuan Ai Commune, Van Yen District, Yen Bai Province Xuan Ai Commune, Van Yen District, Yen Bai ProvinceFounding date: 15 - 8 - 2007