... kinds of blocks to make use of the crushed stone, sand,cement,dust and coal flyash, cinder,slag,gangue,gravel,perlite ... to all kinds of new wall materials.such as hollow cement block,blind hole brick,standard brick and the other bricks, ... 4cmExternal Size1580×1100×2100Hydraulic Automatic Block Machine Introduction: Hydraulic Automatic Block Machine can process the sand,stone,flyash,coal cinder,gangue, ...