Dau Tu Va Phat Trien Big Sam LTD Address: Tieu Khu 20, To Hieu Street, Hat Lot Town, Mai Son District, Son La Province Enterprise code: 5500518857 Phone: 0963896889 Representative: Nghiem Thi Linh Adress: No 212, Tieu Khu 4, Hat Lot Town, Mai Son District, Son La Province Hat Lot Town, Mai Son District, Son La ProvinceFounding date: 30 - 3 - 2015