Granite are harder to broken kind material, but are usually more slightly than basalt is easy to be broken. This is because although high hardness granite, but there are certain brittleness. On the design of the crushing process, therefore, can be relatively flexible design, if the market price of the customer have advantages, can use…

If we want to produce much better sand and gravel, we must rationally allocated sand making line so as to play the greatest effect of sand production line equipments. Like belt conveyor and sand maker, the speed of their work is related to the speed of the entire production line, only reasonable combination can reduce…