The "Naniwa" brand is a renowned Japanese manufacturer specializing in sharpening stones and diamond tools for industrial and home use. Based on standard industrial coding conventions for such tools, here is a guide to interpreting that specific identifier: Naniwa Abrasive Identifier Breakdown : The manufacturer, NANIWA Abrasive Mfg. Co., Ltd. , based in Osaka, Japan.
These likely refer to the tool category. "CCD" often denotes Diamond Cup Wheels or Diamond Cutting Discs in Naniwa’s industrial catalog. naniwa dup 09 ccd e 18 hot
Naniwa utilizes technology in this series. Unlike traditional resin-bonded diamond stones that can feel "muddy," this design features diamond particles arranged in specific, uneven parallel lines. The "Naniwa" brand is a renowned Japanese manufacturer