Welcome Mining Machinery Company

  • Find Us

    HeNan, China

  • send email

    [email protected]

  • Online Us

    24-hour service

teeth

  1. Home
  2. teeth

Jul 30, 2012 Roll crushers, or crushing rolls, or double roller crushers, are still used in some mills, although they have been replaced in most installations by cone crushers. They still have a useful application in handling friable, sticky, frozen, and less abrasive feeds, such as limestone, coal, chalk, gypsum, phosphate, and soft iron ores.