Ngoc Mai Son La LTD Address: Tieu Khu 6, Hat Lot Town, Mai Son District, Son La Province Enterprise code: 5500526978 Phone: 0971123188 Representative: Dao Thanh Van Adress: Tieu Khu 6, Hat Lot Town, Mai Son District, Son La Province Hat Lot Town, Mai Son District, Son La ProvinceFounding date: 18 - 11 - 2015