Xay Dung Toan Trang Address: Pung Hamlet, Chieng Khoong Commune, Song Ma District, Son La Province Enterprise code: 5500414470 Phone: 02123836533 Representative: Dang Van Toan Adress: Pung Hamlet, Chieng Khoong Commune, Song Ma District, Son La Province Chieng Khoong Commune, Song Ma District, Son La ProvinceFounding date: 12 - 1 - 2011