Hop Tac Xa Hop Tac Xa Hoang Hai Address: Hoang Ma Hamlet, Chieng Khoong Commune, Song Ma District, Son La Province Enterprise code: 5500645728 Phone: 0358188285 Representative: Tran Van Quy Adress: Hoang Ma Hamlet, Chieng Khoong Commune, Song Ma District, Son La Province Chieng Khoong Commune, Song Ma District, Son La ProvinceFounding date: 10 - 3 - 2022