application:the hammer crusher are suitable used to crushing ordinary fragile ores of the hardness no more than 200mpa,such as limestone,gypsum,coal,marl,sand-shale etc.this series product features of high crushing ratio,even product graininess,simple construction,reliable operation,easily maintenance,economical running cost etc. it is widely used in iron ore,cement,building materials,fireproof materials,ceramics and chemical idustry etc.it is widely used in crushing brick,tile,stone,and ceramics .email:zzdh168@yahoo.com.cn warranty:100% brand new and through iso quality certify when leaving the factory.the seller guarantee quality of the machines arrive at the port of destination.if any parts(excluding easily damaging parts) are found defective in quality in the first year,the seller should replace free-of-cost.after one year,parts can be replaced on favorable payment basis.