Crusher in Shanghai, Shanghai Road and Bridge, gravel production lines, gravel production equipment 

 Gravel production line process 
 First of all, the stone by the feeder evenly sent to the coarse crusher preliminary crushing, and then the production cost of crude material by belt conveyor conveyor to the crusher for further crushing, crushing stone into the shaker screening out different the specifications of the stone, does not meet the size requirements of stone material back into the crusher broken again. 
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