Food machinery can be mainly divided into two categories: food processing machinery and packaging equipment. This includes screening and cleaning machinery, crushing and cutting machinery, mixing and homogenizing machinery, forming machinery, separating machinery, evaporation and concentration machinery, drying machinery, baking machinery, freezing machinery, extrusion and puffing machinery, conveying machinery, etc. It also includes packaging equipment, packaging printing machinery, packaging container manufacturing machinery, and packaging material processing machinery, etc.