San Xuat Vat Lieu Va Xay Dung Ngoc Khang LTD Address: Hamlet 4, Tieu Khu 19, Hat Lot Town, Mai Son District, Son La Province Enterprise code: 5500624735 Phone: 0912753939 Representative: Dao Ngoc Thuy Hat Lot Town, Mai Son District, Son La ProvinceFounding date: 3 - 11 - 2020