Naniwa

Naniwa Abrasive Mfg. Co., Ltd. is a grinding and sharpening tool manufacturer headquartered in Osaka, Japan, with over 70 years of industry experience. The company produces and sells a wide range of products, including whetstones for kitchen knives and blades, diamond tools, grinding wheels, resinoid wheels, coated abrasives, and other precision abrasive solutions sold under the iconic Ebi-jirushi (Shrimp Mark) brand. With strict quality control from raw material selection through to final inspection, Naniwa continuously develops cutting-edge tools to meet the demands of emerging materials such as fine ceramics and advanced alloys. The company's products are distributed through a nationwide dealer network across Japan and exported to dozens of countries in North America, Europe, and Asia.