... bricks, pavers and curbstones etc. Characters:This concrete block machine with PLC intelligent control.Man-machine interface, control ... layered material feeding), through-body tiles, dock linkage blocks, road curb bricks,sod bricks, hydraulic blockshollow blocks, perforated bricks ... color face bricks , through-body Environmental protection bricks, road curb rocks, hydraulic blocks and sod bricks and so ...