In the huge system of industrial production, the screening link is like the key components in the precision gear group, although it seems insignificant, it plays a decisive role in the smooth operation of the entire production process and product quality. From the classification and screening of ore in mining, to the fine classification of sand and cement raw materials in the production of building materials, to the strict screening control of raw materials and finished products in chemical, food, medicine and other industries, screening technology is everywhere, it is the core link to ensure that products meet quality standards, improve production efficiency and reduce costs.