The main objective of this invention is a Mobile plant for dosing, mixing and packaging of powdery products, characterized because it is comprised of a carrying structure (1) and several areas for: reception and weighing (2), loading (3), mixing (4), sack filling (5), sewing and labelling (6), metal detection (7), palletizing (8) and cleaning (9). This invention is included within the industrial plants technical sector of manufacturing and mixing of powdery products.