Double stage coal gangue crusher made by Gongyi Yugong Machinery 1)Firm structure. ... Stage CrusherApplicationDouble stage crusher can be widely used in crushing coal gangue, shale, clay, slag, shale limestone, construction wastes, tailing ... , can meet the production standard bricks, hollow brick requirements.Third, high output, low consumption. Technical Parameters:Model2PCW 600×4002PCW 800×6002PCW ...