... control 5.Good after service Interlocking automatic concrete brick machinery QT12-15Main Technical Parameters of QT12- ... , perlite, and other industrial wastes.Applied Productsconcrete blocks, solid/hollow/cellular masonry products, paving stones with ... landscaping products, slabs, edgers, kerbstones, grass blocks, slope blocks, interlocking blocks, etc.Applied Fieldswidely used in buildings, road ...