In order to solve the contradiction between screening accuracy and uneven output in the screening equipment industry, the square swing screen was developed and designed. It is highly efficient screening equipment with high precision and large output. It can be used in the chemical industry (soda ash, soda, fertilizer, Resin), food (additives, starch, salt industry, tea, etc.), metallurgy, metals, magnetic materials, activated carbon, quartz sand, and other industries.