The vacuum feeding machine manufactured by our company is a newly developed product which is the most advanced, ideal vacuum conveying equipment for conveying powder material, granular material, mixture of powder and granular material . It can not only automatically convey a variety of materials to the mixing machine, packing machine, injection molding machine, and grinder but also directly deliver the mixed materials to the mixing machine such as v-type mixing machine, two dimensions mixer and three dimensions mixer. It can reduce the labor intensity and prevent the dust overspill. Pharmaceutical factories and food factories can use it to promote clean production and pass the GMP certification.