Tomihisacho, Japan
Harumi Eisen, founded as Japan's first pin gauge manufacturer, is a comprehensive company specializing in measurement tools and diamond tools. The company offers a wide range of products including pin gauges, thread gauges, plane gauges, and various diamond and hybrid electric tools. Harumi Eisen serves the precision measurement and cutting processing industries, providing high-quality products such as hardness testers, diamond pressing elements, and ultra-hard alloy and die steel processing tools. The company has two locations: its headquarters in Tokyo and a factory in Shiga Prefecture. Harumi Eisen holds ISO/IEC 17025 certification, indicating its commitment to high standards in measurement and testing. The company has been operating since its founding and is known for its precision in measurement and innovation in tool creation. Harumi Eisen has been recognized as a "pioneer in pin g
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