Hoang Van Luyen Address: Muong Lum, Muong Lum Commune, Yen Chau District, Son La Province Enterprise code: 5500639234 Phone: 0967066410 Representative: Hoang Van Luyen Muong Lum Commune, Yen Chau District, Son La ProvinceFounding date: 27 - 9 - 2021