Industrial Grade Powder Mixer Machine has the feature that when powder treatment is given, the powder must be added to the flour with great accuracy and uniformity by suitable feeders unless two or more powders are previously blended into a master mix by a batch mixing system, there must obviously be at least on feeder for each powder to be added. The Machine has a feeder gearbox that is mounted on a base plate with a small reduction gear and which is capable of affection a 14:1 or 124:1 ration from the variator. The Machine is capable of feeding from several grams of powder up to 204 kilos per hour by the utilisation of special gearbox. The Industrial Grade Powder Mixer Machine is capable of providing efficient performance.