... High crushing efficiency; Low operational expense. hard rock counter-attacking crusher Counterattack Hammer CrusherFirst, Use and characteristic:This serial ... turn over, the overhaul is convenient.6. Impact, in counter-attack, hit (Shi Dash) stave function entire, the ... high, the combined earnings is remarkable. Technical DataPFC counter-attack hammer Modelrotor diameter(mm)Rotor length(mm)Feeding ...