... cement, dust and coal fly ash, cinder, slag gangue, gravel, perlite and other industrial wastes.Applied ProductsConcrete blocks, solid/hollow ... curbstones, riverway bricks, slope protection bricks, square bricks, brick piers, grass-planting bricks, interlocking blocks, etc.Applied ... .init( { 'aImgSrc': aBigImageSrc } ); } )(); Fully Automatic Concrete Hollow Block Making Machine price VEP-QTY6-15