Hai Thanh Address: Civil Group 3, Tieu Khu 1, Chieng An Ward, Son La City, Son La Province Enterprise code: 5500375415 Phone: 02123853602 Representative: Nguyen Hai Thanh Adress: Civil Group 4, Chieng Le Ward, Son La City, Son La Province Chieng An Ward, Son La City, Son La ProvinceFounding date: 14 - 7 - 2009