... jaw crusher is Q345 2.three-layer anti-rust paint Mini PEF Jaw crushers are widely used in mining, metallurgical, ... hard, mid hard and soft rocks and ores such as iron ore, limestone, slag, marble, quartz, granite, cement, clinker and so ... used in mining, metallurgy, construction, highway, railroad, and chemistry industries.Mini PEFJaw Crusher Operating principle:This jaw crusher uses motor as ...