CMK series gyratory crusher is a new generation of primary crushing equipment newly developed and developed by our company for super large mines and quarrying projects. It can realize continuous primary crushing and has the characteristics of large output and good crushing effect .It adopts alloy cast steel heavy frame, alloy forged integral body shaft, arc gear transmission, and hydraulically adjusted discharge opening, which is widely applicable to the primary crushing of various minerals and rocks in mining, hydropower, metallurgy, construction and other fields.