Iron ore refers to the ore containing iron or iron compound, which is one of the most important raw materials in production of steel. There are many large-scale iron ore area which have high value of exploitation in Australia, Brazil, India, Canada, USA, Ukraine, Liberia and other countries. Main iron ores are magnetite, hematite, limonite, iron silicate ore, iron silicate mineral, etc. The most commonly used crushers in iron ore mining industry are jaw crusher, impact crusher, hammer crusher and high-efficient iron ore fine crushers, etc. In iron ore mining, customers usually choose a complete iron ore crushing production line for higher efficiency. At present, the most popular iron ore production line consists of two jaw crushers. After crushing, the material will be sent for the magnetic separation, and then into the ball mill for grinding.