It is a powder-type raw material that uses fluids to form granules between core substances or coats it with other substance to make it more soluble and fluid. It is a technology that gives new functions to the powder type, by forming a protective film from the outside or delaying the reaction time. In addition, the formation of granules improves the solubility of the powder, and it can be used in various functional products because it has excellent stability from external influences such as moisture, oxygen, light, etc.