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  4. Hydraulic, pneumatic and hydraulic equipment
  5. Hydraulic Equipment
  6. 【FAQ】Resolving Questions about Okubo Iron Works! We will answer frequently asked questions!

【FAQ】Resolving Questions about Okubo Iron Works! We will answer frequently asked questions!

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last updated:Sep 25, 2025

大窪鐵工所
大窪鐵工所
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We're revealing all the questions you're curious about! If you want to know more about our company, please check it out! ♪

"Is this okay?" You might find the answer right away! On the FAQ page of Okubo Iron Works, we carefully answer the questions submitted by everyone. If you can't find the answer, please feel free to contact us.

    Hydraulic Equipment
大窪鐵工所 ロゴ写真.png

【FAQ】Resolving Questions about Okubo Iron Works! We will answer frequently asked questions!

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大窪鐵工所 ロゴ写真.png

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Headquarters Factory: Rebar cutting, lathe, machining, polishing, welding, painting Second Factory: Lathe, machining, surface grinding, wrapping Third Factory: Machining, cleaning, assembly, inspection Fourth Factory: Lathe, machining, assembly, painting Fifth Factory: Lathe, machining All factories are located within walking distance!

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大窪鐵工所

大窪鐵工所

Machine elements and parts

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Founded in 1948, we are a specialized manufacturer focused on precision machining. For over 70 years, we have been committed to "high precision and high quality," accumulating numerous achievements in the processing of construction machinery parts and hydraulic equipment parts. - Material procurement (general steel, special steel, castings, etc.) - Bar cutting - General heat treatment (quenching, nitriding, carburizing, high-frequency hardening, etc.) - General surface treatment (painting, plating, Parkerizing, deflaking, etc.) - NC lathe, machining center, grinding, welding, etc. We can arrange and manage all processes in-house. Leave everything to us! With a comprehensive set of inspection equipment and a quality management system based on ISO 9001, we guarantee high precision requirements with quality control honed through long-term transactions with renowned top manufacturers. Whether for prototypes or mass-produced items, please feel free to consult us regarding any machining concerns!

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