Symons cone crusher machine, usually used as the secondary crushing machines, suitable to crush the very hard stone and not hard stone too. 

Yonran symons cone crusher with automatic lubrication system to guarantee each necessary points fully lubricated before each starting, and with the automatic chamber-clearing system too to clear the chamber easily while there is stuck because of full-loading or tramp iron got stuck. 

Our Yonran Machinery are with two years guarantee for quality but also for capacity. if our design cannot meet your capacity requirement, we will replace the bigger item to meet your needs. 

Most importantly Yonran professional engineer team will do regular quarry site service to support U, Each half year after your project starting. this will improve the technique cooperation especially to your fistline formen.