Xay Dung Xuan Khu Address: Tieu Khu Iii, Bac Yen Town, Bac Yen District, Son La Province Enterprise code: 5500436467 Phone: 0915568217 Representative: Vu Van Khu Adress: Hamlet 5, Dong Tam Hamlet, Vu Tay Commune, Kien Xuong District, Thai Binh Province Bac Yen Town, Bac Yen District, Son La ProvinceFounding date: 27 - 10 - 2011