... 1.High effective ,high output 2.Easy operation, long working Waste Iron Crushing Machine pls point out the following information in ... polymer plastic, PVC plastic, PVC, PS, gear material, raw iron, steel scrap, shell, crushed corn cob and other materials. ... replace and adjust the millstoneHigh effective ,high outputEasy operation, long working life Technical index:Model NO.500Daimeter grinding chamber( ...