Complex vertical impact crusher is fine crushing equipment that crushes materials in middle hardness, such as rocks and mines which pressure strength is less than 210MPa and humidity is less than 5%. e. g. Limestone, dolomite, cement clinker, iron ore, molybdenum ore, aluminum, cobble, rock phosphorite, copper ore, burned magnesite, serpentine, calces, gypsum, lump coal, zeolite, sandstone and so on. Crusher is widely used in the industry of mining, metallurgy, building materials, fireproof materials, cement, coal, glass, chemical industry, electricity power and so on.