① Ladder type net loading structure, without material mixing and leakage. ② Unique screen loading structure, rapid screen replacement. ③ Built in cleaning system, powerful self-cleaning function. ④ High screening accuracy and large processing capacity. ⑤ Fully closed structure, automatic layout, suitable for flow process. Widely used in: chemical industry, medicine, food, spice, tea, feed, plastic, rubber, fertilizer, sugar Salt industry, renewable resources, EPS, PVI, PVC resin and other industries that need grading treatment of fine materials.