manganese steel roll crushing machine 1.realiable function 2.easy to maintenance 3.low ... , cement, metallurgy, chemical engineering, electric power, coal and other industries.Operating principle1.this series machine mainly composed by roller, compaction and adjusting ... granularity(mm)Outgoing granularity(mm)Production(t/h)Electric power(kw)Weight(kg)2PG-400×250≤251--85-101115002PG- ...