Trung Vinh Address: Tieu Khu 9, Hat Lot Town, Mai Son District, Son La Province Enterprise code: 5500382892 Phone: 02123843514 Representative: Dang Quang Vinh Adress: Tieu Khu 9, Hat Lot Town, Mai Son District, Son La Province Hat Lot Town, Mai Son District, Son La ProvinceFounding date: 24 - 11 - 2009