Which Questions Should We Come To Understand Before Choosing Stone Crusher Line

Which questions should we come to understand before choosing stone crusher line?

1.What is the raw material. If the raw materials are very hard;which will affects the capacity of the whole line. For example : quartz,feldspar,calcite,gypsum,dolomite,... and so on
2.what is the size of raw material, if the raw material is too big,we need to choose a bigger primary crusher ,of course,the price will be higher.
For example:1000-1200mm,600-700mm,300-500mm and so on.

Pre: Why the machine capacity can meet the standard before delivery

Next: What Are The Factors To Effect Different Jaw Crusher Price ?