... stones with or without face mix, garden and landscaping products, slabs, edgers, kerbstones, grass blocks, slope blocks, interlocking blocks, etc.Applied ... parts of the machines: A. Heavy duty machine structure and wear resistant moulds; B. The hardness reaches up to HRC 52-58 ... , which uses high-intensity steel and advanced heat treatment, is wear resistant....Update Date:2010-7-8 21:03:20