HTX Dich Vu Nong Nghiep - Thuong Mai Hoang Hai Address: Na Cang Hamlet, Hat Lot Commune, Mai Son District, Son La Province Enterprise code: 5500382324 Phone: 02123845172 Adress: Mai Son District, Son La Province Xa Hat Lot Commune, Mai Son District, Son La ProvinceFounding date: 19 - 10 - 2009