Xay Dung Va Thuong Mai Quy Yen LTD Address: No 134 Khoi 15, Phu Yen Town, Phu Yen District, Son La Province Enterprise code: 5500565906 Phone: 02123863888 Representative: Tran Dang Quy Phu Yen Town, Phu Yen District, Son La ProvinceFounding date: 26 - 4 - 2018