Truong Pho Thong Trung Hoc To Hieu Address: Civil Group 3, To Hieu Ward, To Hieu Ward, Son La City, Son La Province Enterprise code: 5500282129 Phone: 0212852492 Representative: Nguyen Thi Minh Thuy Adress: Civil Group 3, To Hieu Ward, Son La City, Son La Province To Hieu Ward, Son La City, Son La ProvinceFounding date: 3 - 4 - 2007