Xay Dung Duy An Address: Tieu Khu 15, Hat Lot Town, Mai Son District, Son La Province Enterprise code: 5500287695 Phone: 0212222979 Representative: Doan Trung Dung Adress: Tieu Khu 15, Hat Lot Town, Mai Son District, Son La Province Hat Lot Town, Mai Son District, Son La ProvinceFounding date: 2 - 7 - 2007