... by computer Large perforated block machineRaw material of perforated block machine:Crushed stone, cement, fly ash, cinder, slag, gangue ... nitrate, slag, mine tailings, river sand, coal gangue, porcelain granule, lime, carpolite, sandrock, industrial wastes, construction waste, etc., ... cement to make the brick.Features of perforated block machine: 1) Store and divide the material system specially ...