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  3. 第一商工
Resin/Plastic
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第一商工

EstablishmentApril 1957
capital1000Ten thousand
number of employees64
addressNagano/Ueda-shi/Kuri 1488-1
phone0268-22-5263
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last updated:Oct 14, 2025
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  • Products/Services(36)
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第一商工 Company Profile

Daiichi Shoko will assist you in your manufacturing endeavors. - Our strengths become your strengths -

Daiichi Shoko Co., Ltd. is based in Nagano Prefecture and engages in the contract processing and sales of industrial functional and mechanical parts made from various materials. Centered around its own manufacturing plant, the company utilizes plastics, metals, rubber, films, sponges, inorganic materials, and composite materials to provide a wide range of products and services related to "monozukuri" (manufacturing) across diverse industrial sectors. Furthermore, it offers specialized units and equipment products assembled from functional parts made of resins and metals, achieving high cost performance. As a trusted partner, we assist our customers in making further leaps into new and advanced fields they aim to pursue.

Business Activities

■ Contract processing and sales of various industrial processing parts (resin, metal, rubber, inorganic, etc.) ■ Provision of related materials, processing technology information, and services ■ Sales of general industrial and commercial materials  ※ Processing parts and assembly related to various equipment such as information communication, semiconductors, robotics, medical welfare, mobility, inspection measurement, machine tools, energy, and bio ◎ ISO9001 certification, ISO14001 certification

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Products/Services (36)

This is a proposal for a beautifully crafted transparent plastic processing "visualization model." product image
This is a proposal for a beautifully crafted transparent plastic processing "visualization model."
Thin plastic and resin film cutting processing product image
Thin plastic and resin film cutting processing
Water jet processing (rubber, sponge, plastic) product image
Water jet processing (rubber, sponge, plastic)
We propose various manufacturing methods for plastic products [prototypes]! product image
We propose various manufacturing methods for plastic products [prototypes]!

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catalog(13)

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About 3D printers

About 3D printers

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Film, rubber sheet, double-sided tape cutting processing

Film, rubber sheet, double-sided tape cutting processing

OTHER
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Plastic bonding and welding processing

Plastic bonding and welding processing

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Plastic precision machining

Plastic precision machining

TECHNICAL
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news(1)

第一商工株式会社.png

Notice of Participation in the "High Precision and Difficult Processing Technology Exhibition 2025" from Wednesday, December 3 to Friday, December 5, 2025.

  • SEMINAR_EVENT

Daiichi Shoko Co., Ltd. will be exhibiting at the "High Precision and Difficult Processing Technology Exhibition 2025" held at Tokyo Big Sight. This exhibition is a "specialized technology exhibition" that provides appropriate solutions to the challenges and needs of diversified manufacturing. We plan to showcase high-precision precision machined parts at the booth of the Monozukuri Support Center Shimotsuwa. We look forward to your visit.

Nov 21, 2025

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Detailed information

Company name 第一商工
number of employees64
Contact addresspostalcode 386-0005 Nagano/ Ueda-shi/ Kuri 1488-1View on map TEL:0268-22-5263 FAX:0268-25-1286
Business LocationsClick here for the list
Industry Resin/Plastic
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