... PLC control system QHL4-25 concrete block making machine Equipment characteristics:(1) It is a compact machine with electric and hydraulic system ,each ... ash, cement, sand, stone, slag, and so on. The machine can several purposes and produce various specification standard bricks, concrete ... OF MAIN PRODUCTS ITEMSPcs/mouldPcs. /dayHOLLOW BRICKS44000POROUS BRICKS1420000MAIN MACHINEBLOCKS SAMPLE