The all-hydraulic cone crusher is a newgeneration of high-performance crushing equ-ipment which is imported from abroad and integrated with the advantages of other cone crushers. lts internal structure isnovel and unique, easy to maintain, low manufacturing cost, high production capacity, with hydraulic adjustment ana oveoad protection performance is superior, especially to achieve automatic control,etc..it has become one of the most widely used equipments in grinding operation and is widely used in material crushing in metallurgy, building materials, mining, Refractorycement, abrasive and other industries. Especially suitable for crushing and fine crushing of all kinds of hard materials such as granite, limestone, sandstone and pebbles,etc..