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  6. What are the benefits of hiring a copper processing specialist, and why are they chosen?

What are the benefits of hiring a copper processing specialist, and why are they chosen?

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last updated:Sep 02, 2026

石垣商店
石垣商店
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What are the reasons that Ishigaki Shoten Co., Ltd. is chosen for transforming "impossible" into "possible" with innovative copper bar processing?

Ishigaki Shoten Co., Ltd. is an expert in copper bar (bus bar) processing that supports our customers' challenges. We realize various copper bar processing, from the smallest parts to large power receiving equipment. ■Features■ 【Industry Expertise】 Specialized in product parts for power industry receiving equipment and storage facilities! 【Copper Material Procurement】 Strong relationships with manufacturers and wholesalers, leveraging our background as a wholesaler to procure high-purity copper! 【Custom Orders】 Capable of handling special shapes through general-purpose machining by skilled artisans! 【High Quality & Precision】 Providing high-quality products born from advanced technology through the manufacturing of industrial battery and power supply components! ■Track Record■ 【Strong Trust from Listed Companies】 Boasting numerous transaction records, our latest copper processing technology is highly regarded. ■Strengths■ 【Experience in Large Product Deliveries】 Rich experience in manufacturing large items requiring precision processing, such as large power receiving equipment. 【Cost and Speed】 Adjusting the balance of delivery time, cost, and precision according to customer needs, achieving cost optimization while preventing excessive quality. 【Integrated Production】 Comprehensive response from procurement to processing, plating, and quality control through integrated production. *For more details, please refer to the downloadable materials.

    Transformers
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What are the benefits of hiring a copper processing specialist, and why are they chosen?

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basic information

Choosing the optimal material and size when selecting copper bars significantly impacts product performance, cost, and delivery time. Below is a guide on how to choose the material and basic dimensions of copper bars. Material: C1100: Has high electrical conductivity and is generally suitable for electrical applications. C1020: Combines excellent thermal conductivity and workability, making it suitable for specific applications. Size (Cross-sectional area: Height × Width): Width: 12mm, 15mm, 20mm, 25mm, 30mm, 40mm, 50mm, 75mm, 100mm, 150mm, 200mm Height: 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 15mm, 20mm The cross-sectional area of the copper bar conforms to these basic dimensions, allowing for various combinations. When making your selection, consider the following points: Material cost: Choosing standard sizes can reduce costs. Delivery time: Selecting standard products can lead to quick arrangements and shorter delivery times.

Price information

It is calculated based on the daily copper base price.

Price range

P2

Delivery Time

P3

※*Please feel free to contact us as it may vary depending on the quantity and equipment operating status. We excel at urgent requests!!*

Applications/Examples of results

Components of high-voltage receiving equipment - Large, medium, and small transformers - Cubicles - Control panels / receiving panels - Disconnectors (DS) / switches / circuit breakers - Surge protectors - Breakers

Detailed information

  • P1010031.jpg

    Abundant material inventory (established as a wholesaler, with strong relationships with material manufacturers)

  • 会社外観(峻さんの奥さんが修正してくれた外観).jpg

    Our factory (producing in a clean, safe workplace with 5S).

  • P1010109.jpg

    Special bending processing is our specialty (twisting, edgewise).

  • P1010080.jpg

    Products of copper TIG welding (the skills of craftsmen are also being passed down to the younger generation)

catalog(4)

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70 years of trust and achievements as a specialized copper processing company!

70 years of trust and achievements as a specialized copper processing company!

COMPANY
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Four secrets to being chosen as a specialist in copper processing!

Four secrets to being chosen as a specialist in copper processing!

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Efforts for the Environment: 'SBT Certified Company'

Efforts for the Environment: 'SBT Certified Company'

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[Arrangement Guide] 10 Items to Decide on for Quotation and Arrangement of Copper Busbars - Drawing Checklist

[Arrangement Guide] 10 Items to Decide on for Quotation and Arrangement of Copper Busbars - Drawing Checklist

TECHNICAL
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News about this product(1)

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

  • Company news

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!

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石垣商店

石垣商店

Industrial Electrical Equipment

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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.

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