... different mould. Brief intruduction :QTJ4-25 block making machine is a kind of automatic product ,adopts flat vibration ,mould vibration ... ,lock linkage blocks, road curb bricks, hydraulic blocks,hollow blocks, perforated bricks, and standard bricks etc.Main ... , and other industrial wastes.Applied Productsconcrete blocks, solid/hollow/cellular masonry products, paving stones with or without face ...