... Description 1.The PCH Ring Hammer Crusher is coal crusher,It is most suitable for crushing all kinds ... of brittle materials,like coal,coke,slag,Red Sandstone and so on.Compressive ... stone crusher,It cannot only broke the lowqulity coal,but also broke a variety of ore,like ... strength of the material does not exceed 150MPa,surface water is not more than 15% . 3.Our Ring ...