... Workshop 1: diamond electroplated products: diamond burrs, diamond files, diamond stone sharpeners, diamond electroplated cutting discs, diamond grinding ... , like files, hole saws, grout removers, wires, etc. 5. Workshop 5: titanium tubes and stainless steel tubes used ... vacuum brazed toolstile bits, marble bits,hand padsdiamond files,diamond sintered carving burrsflexible polishing pads (wet pads ...