Thuong Mai Va Dau Tu Ngoc An LTD Address: TAT Ban Hamlet (Tai NHA ONG CAM DUC Viet), Chieng Mai Commune, Mai Son District, Son La Province Enterprise code: 5500594583 Phone: 02389733630 Representative: Quang Thi An Chieng Mai Commune, Mai Son District, Son La ProvinceFounding date: 20 - 9 - 2019