... molds can produce various kinds of specification porous bricks, standard bricks, hollow bricks, with a double material-feeding machine can produce ... all kinds of the colored road bricks,grassland bricks, and slope protection bricks etc.n It adopts the PLC ... lock linkage blocks, road curb bricks, hydraulic blocks,hollow blocks, perforated bricks, and standard bricks etc. Full Automatic Concrete Paving ...