The products includes five series: crusher, sand making machine, powder grinding mill, mineral processing equipment and building materials equipment.For finer crushing or reduction a Symons cone crusher the the norm. Symons are commonly used for secondarytertiary or quaternary crushing. They do this by a different chamber design which is flatter and by operating at about twice the rotational speed of a primary-type gyratory crusher. One of the first cone crushers had a direct drive vertical motor mounted above the spider with the drive .
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