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  1. Home
  2. Industrial Machinery
  3. 大野精工 機工販売事業部
Industrial Machinery
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大野精工 機工販売事業部

EstablishmentJune 2001
capital1500Ten thousand
number of employees110
addressAichi/Nishio-shi/35-1 Shitahanezumi-cho
phone0563-75-1138
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last updated:Sep 11, 2026
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  • Products/Services(46)
  • catalog(9)
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大野精工 Company Overview

A locally-focused parts manufacturer that is growing at an unprecedented speed.

At Ohno Seiko Co., Ltd., we primarily offer sales of electrical discharge machines, mirror finish processing, and precision parts processing. 【Sales of Molybdenum Wire Electrical Discharge Machines】 We have a business partnership with Suzhou Sanguang Technology Co., Ltd. We are the exclusive domestic distributor for the "HB Series" of molybdenum wire electrical discharge machines. Please feel free to contact us for test processing and other inquiries. 【Sales of Original Jigs】 We sell the "PAD Series" of parallel jigs for wire cutting, utilizing patented technology. 【Others】 - Sales of pneumatic positioning jigs, among others. 【Precision Parts Processing】 In a temperature-controlled room maintained at 20℃±1℃, we possess the latest three-dimensional measuring machines (three units), shape measuring instruments, tool microscopes, surface roughness measuring instruments, and more. We continue to challenge the limits of ultra-mirror finish processing with an Rz of 0.2μm and ultra-precision processing. Please feel free to contact us for prototypes and other requests.

Business Activities

【Sales Items】 ■ Sales of discharge machining equipment ■ Sales of original jigs ■ Sales of overseas tools ■ Precision parts processing for automotive devices ■ Super mirror finish processing ■ Prototype production, etc.

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Products/Services (46)

HG400 Molten Wire Electrical Discharge Machine for Architectural Hardware product image
HG400 Molten Wire Electrical Discharge Machine for Architectural Hardware
HG400 Wire Electrical Discharge Machine for Semiconductor Manufacturing product image
HG400 Wire Electrical Discharge Machine for Semiconductor Manufacturing
HG400 Molybdenum Wire Electric Discharge Machine for Research and Development / Prototyping product image
HG400 Molybdenum Wire Electric Discharge Machine for Research and Development / Prototyping
HG400 Molybdenum Wire Electrical Discharge Machine for the Automotive Industry product image
HG400 Molybdenum Wire Electrical Discharge Machine for the Automotive Industry

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catalog(9)

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Product Catalog: Ultra-Compact Molybdenum Wire EDM Machine TX Series

Product Catalog: Ultra-Compact Molybdenum Wire EDM Machine TX Series

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[New Product] Molybdenum Wire Electrical Discharge Machine HG400

[New Product] Molybdenum Wire Electrical Discharge Machine HG400

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Water-soluble processing fluid S-100 Safety Data Sheet

Water-soluble processing fluid S-100 Safety Data Sheet

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Ultra-compact CNC Molybdenum Wire EDM Machine TX150

Ultra-compact CNC Molybdenum Wire EDM Machine TX150

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news(14)

_JIMTOF2026_logo-01.jpg

We will unveil new products at JIMTOF2026!

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We will be exhibiting our latest model of molybdenum wire electrical discharge machining (EDM) at 'JIMTOF2026', which will be held at Tokyo Big Sight starting from October 26, 2026 (Monday). ◆Main Exhibited Products 【Exhibited Product】Molybdenum Wire EDM HG400 【Booth Number】Tokyo Big Sight, East Hall 7, E7075 【Remarks】After long-term development, an automatic wire connection function has been added to the loop-type wire mechanism. 【Exhibited Product】Wire EDM Precision Contour Machine TX150 【Booth Number】Tokyo Big Sight, South Hall 1, S1031-1 【Remarks】The ultra-compact molybdenum wire EDM will be jointly exhibited with Nitto Shoji Co., Ltd. in the South Hall. We sincerely look forward to your visit.

Sep 30, 2026

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We will exhibit at JIMTOF2026.

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We will be exhibiting the latest model of molybdenum wire electrical discharge machining (EDM) at 'JIMTOF2026', which will be held at Tokyo Big Sight starting from October 26, 2026 (Monday). ◆Main Exhibited Products 【New Product】Molybdenum Wire EDM HG Series 【Model】HG400 The long-awaited connection function has been incorporated into the loop-type wire mechanism. We sincerely look forward to your visit.

Sep 29, 2026

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We will be exhibiting at MECT2025.

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We will be exhibiting at MECT2025. 【Event Period】October 22 (Wednesday) to October 25 (Saturday), 2025 【Opening Hours】10:00 AM to 5:00 PM (until 4:00 PM on the last day) 【Location】Port Messe Nagoya 【Ono Seiko Booth Number】Exhibition Hall 1, C23 (Joint booth with Tainatech) 【Exhibits】 - Mo wire EDM machine HB series (live demonstration) - Ultra-compact Mo wire EDM machine TX150 (live demonstration) - Parallel positioning jig for wire cutting PAD series, etc. We will be demonstrating Mo wire EDM machines compatible with SiC and difficult-to-cut materials, so please stop by! Additionally, we will showcase the PAD series parallel positioning jig for wire cutting, which significantly reduces positioning time thanks to our unique patented technology. We invite you to see, touch, and experience our technology!

Aug 04, 2025

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Detailed information

Company name 大野精工 機工販売事業部
number of employees110
Contact addresspostalcode 445-0012 Aichi/ Nishio-shi/ 35-1 Shitahanezumi-choView on map TEL:0563-75-1138 FAX:0563-75-3966
Key PartnersToyota Motor Corporation, Denso Corporation, Nidec Corporation, Misumi, Disco, approximately 200 business partners centered around Toyota-affiliated suppliers.
Affiliated companies Materials-related: 12 companies Processing-related: 125 companies Surface treatment and heat treatment-related: 63 companies
Business LocationsClick here for the list
Industry Industrial Machinery
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