... power, mining and metallurgy industries, to break fragile or medium hard materials with no much water, such as limestone, coal, shale ... easy maintenance, and easy to operate, etc.1,Stone CrusherWidely used to crush materials in mining, building materials, road building, and ... (); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); easy operation high efficiency industry used hammer crusher