The speed of the machine is different, and the slow one is generally extruded by an extrusion screw, which is similar to the manual method. This is the mainstream now, which can keep more nutrients in fruits and vegetables from being destroyed. There are more than 2,000 people in Korea, and the same principle in China is generally called juicer, ranging from thousands to hundreds. Many common ones have motors and blades to crush fruits to achieve the purpose of juicing, but driven by high-speed motors, the blades rotate very fast, which will produce high temperature, so some nutrients in fruits will be oxidized, so this juicer must add ice. There are many commercial products, and the juicer for ordinary households is generally several hundred yuan.