Viet Long Address: No 149, Tieu Khu 19, Hat Lot Town, Mai Son District, Son La Province Enterprise code: 5500403623 Phone: 02123843074 Representative: Dinh Tien Dung Adress: TK 19, Hat Lot Town, Mai Son District, Son La Province Hat Lot Town, Mai Son District, Son La ProvinceFounding date: 25 - 6 - 2010