Hop Tac Xa Hai Van Quynh Nhai Address: Dong Tam Hamlet, Chieng On Commune, Quynh Nhai District, Son La Province Enterprise code: 5500640631 Phone: 0963422176 Representative: Phi Hai Van Chieng On Commune, Quynh Nhai District, Son La ProvinceFounding date: 22 - 10 - 2021