... optimum product. They are widely used in many industries, such as mining, metallurgy, building material, railway, water conservancy, chemicals, and so ... tough materials;Hydraulic toggle adjusting mechanism;Overload protection mechanism supplied as standard. 7. The jaw crusher with low noise, few dust ... *120021020-603303725-607.7YBX-300*1300300*130025020-903305520-9011APPLICATION PE series jaw crusher