... 5.high profits wet granulatorrack extrunder machinerydouble stage stone crusher “Zhengtai machinery”, with continuous exploration,well-designed,courage practice ... crush the coal gangue, shale, mine slag, construction waste,and the grain-size reach to below 3mm,which make ... *1510*2150Main descripion:Traditional crushing method is single hammer crusher crush the slag, some disadvantage as follow1. Low ...