... , its chsrging capacity,easy jam, strong grate seam, longer life expectancy.BiZi discharging and rator distance is adustable, in short ... adjusted, ensure the machine size from coarsen.3).parts,long life, rational structure design and high hardness, toughness good wear ... the anti-wear properties and utilization,increasing the apparent parts of life.4).High security design the row in strong matal security ...