Xay Dung Khoi Nguyen Joint Stock Company Address: Tieu Khu 10, Na San, Hat Lot Commune, Mai Son District, Son La Province Enterprise code: 5500349398 Phone: 02123845566 Representative: Quach Dinh Hanh Adress: Tieu Khu 10, Na San, Hat Lot Commune, Mai Son District, Son La Province Xa Hat Lot Commune, Mai Son District, Son La ProvinceFounding date: 24 - 2 - 2009