Hop Tac Xa Dich Vu Che Bien Che Phieng Khoai Address: Kim Chung Hamlet, Phieng Khoai Commune, Yen Chau District, Son La Province Enterprise code: 5500285063 Phone: 0212842125 Representative: Tran Tan Dat Adress: Kim Chung Hamlet, Phieng Khoai Commune, Yen Chau District, Son La Province Phieng Khoai Commune, Yen Chau District, Son La ProvinceFounding date: 16 - 5 - 2007