Xay Dung Hong Kong Address: No 143, Tieu Khu 4, Hat Lot Town, Mai Son District, Son La Province Enterprise code: 5500198572 Phone: 02123843516 Representative: Nguyen Van Hoan Adress: No 143, Tieu Khu 4, Hat Lot Town, Mai Son District, Son La Province Hat Lot Town, Mai Son District, Son La ProvinceFounding date: 28 - 3 - 2001