... (layered material feeding),through-body tiles,lock linkage blocks, road curb bricks, hydraulic blocks,hollow blocks, perforated bricks, and standard bricks ... (building blocks)25000-35000 pcs/day (standard blocks)Raw Materialscrushed stone, sand, cement, dust and coal fly ash, cinder, slag, ... squares, gardens, landscaping, city constructions, etc. QTJ4-25 Full-automatic concrete block making machine