Phuong Tra Address: Civil Group 4, Chieng Sinh Ward, Son La City, Son La Province Enterprise code: 5500501772 Phone: 0942569779 Representative: Tran Thi Phuong Adress: Civil Group 4, Chieng Sinh Ward, Son La City, Son La Province Chieng Sinh Ward, Son La City, Son La ProvinceFounding date: 28 - 5 - 2014