Started in 1980s, Zhengzhou Unique Industrial Equipment Co., Ltd (Unique Group) is already a famous manufacturer & developer of mining equipment like stone crushing & screening equipment and ore processing equipment in China. Our products scope mainly includes cone crusher, jaw crusher, impact crusher, sand making machine, vibrating screen, vibrating feeder, belt conveyor, stationary & mobile stone crushing plant, ball mill, magnetic separator and cement production line etc.
2.Remove screen platen fasteners at the feed end 
3.Remove the top screen 4. Replace the middle and lower screen mesh in the same way. 5. Replacement of the middle and lower screen need to remove the top layer first.