VSI Series vertical shaft impact crusher incorporates three crushing types and it can be operated **0 hours continuously. Nowadays, VSI crusher has replaced hammer crusher, roller crusher, roller ball mill, becoming the mainstream equipments in sand making business. Application:VSI series crushers are widely used in crushing nonmetal mine, concrete, fireproof material, abrasive filler, frit, construction aggregate, sand, metallurgy and so on. It is the indispensable machine in sand making industry and it is also the most ideal truing machine for mining and construction industries.