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  1. Home
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  3. 石垣商店
Industrial Electrical Equipment
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石垣商店

Establishment1951/06
capital1000Ten thousand
number of employees30
addressAichi/Moriyama-ku, Nagoya-shi/1-629 Sego
phone052-793-3080
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last updated:Mar 30, 2026
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  • Products/Services(84)
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石垣商店 Company Overview

"A Step Towards a Decarbonized Society: The Efforts of a Copper Specialty Workshop in Nagoya" ★70 Years of Trust and Achievements Loved by Customers★

We have been providing copper components to transformer and control panel manufacturers, delivering energy through copper and ensuring safety and security for society. As a result of walking alongside our customers throughout this process, we have become a "copper specialty processing company"! When our customers are truly in need, we respond as quickly as the same day, embodying the spirit of mutual support! ■ Overwhelming inventory ■ Craftsmanship that allows for the fastest processing and youthful, energetic power ■ Strong network with local plating partner companies We can perform various processing methods such as machining, pressing, welding, and brazing. Since we have established a production system for a wide variety of small quantities, ■ Small lots ■ Various sizes ■ Complex shapes can also be handled quickly. We aim to be a company that delivers energy to everyone through copper, and we look forward to your continued support.

Business Activities

【Copper Busbar Processed Products】Copper bars, copper strips, conductors, earth bars, main bars, crossing bars, terminals, busbars, contacts, connecting copper plates 【Copper Rod Processed Products】Studs, bolts, nuts, electrodes 【Copper Strip Processed Products】Shunt wires, leads, output copper plates Since our establishment in Nagoya 75 years ago, we are a professional group specializing in the manufacturing of copper processed parts. We provide copper components for power distribution equipment such as "large, medium, and small transformers," "cubicles," "control panels/distribution boards," and "disconnectors (DS)/switches/circuit breakers." ***As professionals specializing in copper, we support businesses nationwide. We look forward to hearing from you.***

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Recommended information

What is a copper busbar? Part 1

What is a copper busbar? Part 1

For copper bus bar processing, go to a copper specialty processing shop.

Copper busbars are essential conductive components used in power equipment and industrial machinery to safely and efficiently distribute high currents. Our company is equipped to manufacture copper busbar products for such power equipment. We can perform processing tailored to drawings, including drilling and bending, and we flexibly accommodate everything from prototypes to mass production. In addition, we have a wide range of processing achievements for copper busbar products with thicknesses from 3mm to 20mm for transformer manufacturers and panel manufacturers in the Tokai region, processing as much as 150 tons of copper annually as a specialist in copper processing. We have a consistent production system from order to processing to plating to delivery and shipping, allowing us to respond quickly with drawings and order forms! Hand-drawn designs are acceptable! We truly accept orders from just one piece! Urgent orders are welcome!

Products/Services (84)

What is a pad-mounted transformer? Explanation of its uses, features, and benefits. product image
What is a pad-mounted transformer? Explanation of its uses, features, and benefits.
Is plating necessary for copper busbars? An explanation of types and characteristics! product image
Is plating necessary for copper busbars? An explanation of types and characteristics!
What is the difference between copper busbars and aluminum? A comparison guide to help you choose. product image
What is the difference between copper busbars and aluminum? A comparison guide to help you choose.
Copper busbar processed products | ISO 9001 quality management system product image
Copper busbar processed products | ISO 9001 quality management system

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catalog(72)

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What is a pad-mounted transformer?

What is a pad-mounted transformer?

OTHER
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Copper busbar plating

Copper busbar plating

TECHNICAL
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Comparison of Copper Busbars and Aluminum Busbars

Comparison of Copper Busbars and Aluminum Busbars

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Ishigaki Store Quality Control System

Ishigaki Store Quality Control System

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news(5)

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Notice of Participation in 'JECA FAIR 2026 - 74th Electrical Installation Industry Exhibition' from May 27 (Wednesday) to May 29 (Friday), 2026.

  • SEMINAR_EVENT

Ishigaki Shoten Co., Ltd. will be exhibiting at the "JECA FAIR 2026 - 74th Electric Construction Industry Exhibition" held at Tokyo Big Sight. This exhibition is one of the largest comprehensive exhibitions for electrical equipment in Japan, showcasing new products related to electrical equipment, tools, measuring instruments, software, systems, and more. It will also provide various information, including construction techniques, efficiency improvements, academic introductions, the appeal of the electrical equipment industry, and initiatives for work style reform. We look forward to your visit.

Apr 02, 2026

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20241107_150215~3.JPG

The participation in the JECAFAIR 2026 Electrical Industry Exhibition has been confirmed.

  • COMPANY

We have decided to exhibit at "JECAFAIR 2026 Electric Construction Industry Exhibition," which will be held at Tokyo Big Sight from May 27 (Wednesday) to May 29 (Friday). We will be exhibiting right at the entrance of booth number 1-54 in Hall 1 East. On the final day, our on-site workers, who process 150 tons of copper busbars annually, will share insights about the characteristics of copper, the challenges of processing, and information that only those on-site would know during the exhibitor seminar! For more details, please visit the official website! We sincerely look forward to your visit!

Feb 26, 2026

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We will be exhibiting at the 9th Monozukuri World Nagoya Mechanical Components Technology Exhibition.

  • COMPANY

We will be exhibiting at the 9th Manufacturing World Nagoya Mechanical Components Technology Exhibition. The event will be held from Wednesday, April 10 to Friday, April 12, 2024. Our booth number is [9-1]. Please register in advance for your visit (free) at the URL below. Register here≫https://www.manufacturing-world.jp/nagoya/ja-jp/register.html?code=1012891260715366-WOC

Apr 01, 2024

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Detailed information

Company name 石垣商店
number of employees30
Contact addresspostalcode 463-0068 Aichi/ Moriyama-ku, Nagoya-shi/ 1-629 SegoView on map TEL:052-793-3080 FAX:052-793-1079
Key PartnersHigh Voltage Power Supply Equipment Manufacturers Nationwide Aichi Electric Co., Ltd. Toshiba Industrial Equipment Systems Corporation
Business LocationsClick here for the list
Industry Industrial Electrical Equipment
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