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  3. Patents
  • A method for manufacturing hollow grinding ball
  • A method for manufacturing large wear-resistant grinding ball
  • A kind of large wear-resistant hollow ball with excellent comprehensive performance
  • Wear-resistant ring of concrete mixer
  • Liner for asphalt mixing plant
  • Concrete mixing plant dust cover
  • Heating furnace replacement part
  • Funnel shower type sand adding device
  • Blade of concrete mixing plant
  • Multilayer cast steel cooling wall
  • Cover tilt for asphalt mixer
  • Expendable pattern casting die for medium-speed mill hollow balls
  • Vanishing mold moulding and pressurizing device
  • A new type of riser for the casting of steel plate in dry wall
  • Furnace grate steel castings dry sand negative pressure die
  • Chilling block device for lost foam casting of crushing wall
  • Novel casting ladle safety clamp
  • A stirring arm for mixing machine
  • An expendable pattern die casting system
  • A liquid - solid casting compound roll sleeve lost foam casting system