Hello,sir,welcome walk into Zhengzhou Unique industrial, we are stone mining and quarry equipment manufacturer for 20 years.
As following showing are PE600x900 jaw crusher,sometime, they call it head crusher or primary jaw crusher,it designed for hard type rock crushing,like river stone,green rocks,basalt, and some mining rocks,the hard,the higher performance in working ,that is why the crusher is all quarry owner priority choice in their crushing plant installation,not only with simple structure,also with power saving,it is perfect solution for bigger rock crushing.
In a words,if u need to find any quarry and crushing plant solution, please find Zhengzhou Unique industrial, we will do our best to support your business all the time,thanks.