... Full automatic PLC control 3. ISO9001 IS014001 CE brick making machine QT12-151. Raw material: crushed stone, sand, cement, ... / hollow / cellular masonry products, paving stones with or without face mix, garden and landscaping products, slabs, kerbstones, grass ... blocks, interlocking blocks etc.3. Applied fields: widely used in buildings, road pavers, squares, gardens, landscaping, city constructions ...