Luyen Trang Address: Civil Group 7, Song Ma Town, Song Ma District, Son La Province Enterprise code: 5500520422 Phone: 0989606866 Representative: Nguyen Thi Trang Adress: Quyet Tien Hamlet, Na Nghiu Commune, Song Ma District, Son La Province Song Ma Town, Song Ma District, Son La ProvinceFounding date: 25 - 4 - 2015