block machine hollow block,color block,paver,brick porous block half-automatic machine block machineMain technical parameter : ... cement, dust and coal fly ash, cinder, slag, gangue, gravel, perlite , and other industrial wastes.Applied Productsconcrete blocks ... and landscaping products, slabs, kerbstone , grass blocks, slope blocks, interlocking blocks, etc.Applied Fieldswidely used in buildings, ...