Dong Tam Son La Joint Stock Company Address: Tieu Khu 1, Bac Yen Town, Bac Yen District, Son La Province Enterprise code: 5500550297 Phone: 02123505558 Representative: Le Thi Tuyet Adress: Tieu Khu 1, Bac Yen Town, Bac Yen District, Son La Province Bac Yen Town, Bac Yen District, Son La ProvinceFounding date: 13 - 4 - 2017