Daswell Company Expressway asphalt concrete pavement has a higher request for aggregate grain shape & gradation no matter adopt Superpave technology, especially the content of elongated particle in the basalt , the previous stone crushing is not enough to meet the requirement . High-quality aggregates produced by this production line are widely used in SMA pavement of National Expressway Network Construction .
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This aggregate processing line is consist of ZSW Series Vibrating Feeder SICOMA MPC planetary centrifugal mixer, PE /PEW Series Jaw Crusher,PF Series Impact Crusher or Cone Crusher ,YK Series Vibrating Screen and Vertical Shaft Impact Crusher.Finished aggregates are of high quality & reasonable price , percent of elongated particle is less than 5% .

Since impact crusher is used as secondary crushing (not final crushing) ,and there is little metal consumption in vertical shaft impact crusher ,so in the whole process ,spare parts consumption has greatly reduced .

Besides basalt aggregate processing line， Daswell Company will also provide complete crushing and screening production lines for quarry and marble factories , and these production lines are capable of providing high quality concrete aggregates for national and regional projects.