... using different mould. Brief intruduction :QTJ4-25 block making machine is a kind of automatic product ,adopts flat vibration ,mould vibration ,and ... and high strength.,And the unique dose charging device and the strong material-distributing structure ensure the block's quality of ... -35000 pcs/day (standard blocks)Raw Materialscrushed stone, sand, cement, dust and coal fly ash, cinder, slag, gangue, ...