... has a long lifespan.2.Good cutting result:smooth cutting ,flat surface even size.3.Stable cutting ,narrow cutting gap,stone ... . Diamonds tools, which include diamond segment, diamond saw blade, diamond grinding disc & wheel, diamond polishing pad, diamond core drill, etc.2. ... 3. Automatic weld rack of diamond saw blade,4. Floor grinding & polishing machines.Main market:We export to Brazil, India, ...