Vui Sach Son La LTD Address: Tieu Khu I, Bac Yen Town, Bac Yen District, Son La Province Enterprise code: 5500564980 Phone: 01669333096; 0369333096 Representative: Nguyen Thi Vui Bac Yen Town, Bac Yen District, Son La ProvinceFounding date: 30 - 3 - 2018