Spring cone crusher has a much longer history than recent hydraulic cone crusher and gain reputation as a result of its high performance in rock contracting, huge capacity and cost effectiveness.Spring security system is a kind of overload protection device allowing metallic foreign substance through the crushing cavity without cause no damage to the crusher machine. Oil tight or watertight is employed to separate stone powder from lubricants for smooth operation.Crushing cavity is designed into different types for different purposes. Standard cavity is engineered for secondary crushing; medium is for fine crushing and short header for super fine crushing.