... hr 4.Platform vibration 5.Cycle Time:15~25s Item: Full Automatic Concrete Paver Stones Making Machine ⅠBrief intruduction :n Multifunction ... specification porous bricks, standard bricks, hollow bricks, with a double material-feeding machine can produce all kinds of the colored ... blocks,hollow blocks, perforated bricks, and standard bricks etc. Full Automatic Concrete Paving Stones Making Machine QT8-15