... slag, gangue, gravel, perlite, and other industrial wastesApplied Products:concrete blocks, solid/hollow/cellular masonry products, paving stones with ... products, slabs, edgers, kerbstones, grass blocks, slope blocks, interlocking blocks, etc.Applied Fields:widely used in buildings, road ... machines: A. Heavy duty machine structure and wear resistant moulds; B. The hardness reaches up to HRC 52-58 ...