... 1: diamond electroplated products: diamond burrs, diamond files, diamond stone sharpeners, diamond electroplated cutting discs, diamond grinding discs, diamond resin ... diamond dry soft polishing pads 4. Workshop 4: carbide brazed tools, like files, hole saws, grout removers, wires ... machines, includingdiamond cutting blades,diamond grinding wheels,diamond profile wheelsdiamond vacuum brazed toolstile ...