How to buy crusher according to demand

Crusher is large machinery, the price is expensive, so in the purchase of many factors to consider when we must pay attention in the selection of the following factors :1 , the physical properties screening equipment of materials , such as friability , viscosity , water content and sediment Max feed size, etc. ;
2, the technical and economic indicators , so that both meet the quality, quantity requirements, easy to operate, reliable , and maximize cost savings ;
3, the total production of finished and grading requirements , according to select the type and capacity of the crusher ;
4 , Mobile crushing plant is larger investment , ask the customer the choice, must be careful.