... , low civil engineering cost;2. Less steel consumption, low energy consumption;3. High capacity, less total investment;4. The wearing parts ... service life, achieve low running cost;5. Small vibration, less dust, simple to design movable station;PFH ultrafine crusher ... torque, axial symmetry equilibrium design:PFH ultrafine crusher provides less than 2M/S impact velocity of movable teeth, effectively ...