Quan Ly Sua Chua Va Xay Dung Cong Trinh Giao Thong Ii Son La Joint Stock Company Address: Khoi 16, Phu Yen Town, Phu Yen District, Son La Province Enterprise code: 5500213559 Phone: 02123863205 Representative: Dang Ly Thanh Adress: Khoi 16, Phu Yen Town, Phu Yen District, Son La Province Phu Yen Town, Phu Yen District, Son La ProvinceFounding date: 11 - 9 - 2003