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  1. Home
  2. Manufacturing and processing contract
  3. 甲府精鋲
Manufacturing and processing contract
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甲府精鋲

EstablishmentDecember 27, 1982
capital4300Ten thousand
number of employees40
addressYamanashi/Showa-cho, Nakakoma-gun/Tsukiji Shinkyo 1641-3
phone055-275-5333
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last updated:Mar 12, 2026
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  • Company information
  • Products/Services(36)
  • catalog(33)
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甲府精鋲 Company Overview

If you have any inquiries about special cold forging parts or parts supply machines, please feel free to consult us. We also sell miniature screws (micro screws) at retail.

Kofu Seiko is a company that manufactures and sells custom specifications (screws, rivets, shafts, etc.) based on customer requirements for a wide range of industries, including computer-related equipment, information and communication devices, and automobiles. In response to our customers' demands for local procurement, we are also expanding our factories overseas (in Thailand). At our Japanese factory, we are honing our technology to meet customer needs by challenging ourselves with higher precision and more complex parts. We internally produce equipment such as rolling machines and full inspection machines for in-house use. The creation of equipment incorporating innovative ideas has led to the development of screw supply machines, and we currently have four series of products that we have commercialized and are selling. We are a company with a strong spirit of challenge, aiming to be "a company that can thrive in the world, even if small."

Business Activities

■Manufacturing and sales of special cold-formed parts (screws, rivets, shafts, etc.). We can accommodate ultra-fine parts with a material diameter of φ0.4 to automotive parts around a material diameter of φ14.0. We have successfully developed and mass-produced a variety of new products, from fine parts for the electrical and electronics industry to highly reliable parts for the automotive industry. 【Certifications Obtained】ISO 9001, Eco Action 21 ■Retail of miniature screws (micro screws) below M1.0. ■Manufacturing and sales of parts feeders 'NJN-D series'. There are escape (with cutting mechanism) specifications for automatic assembly processes. We have a track record of adoption by major manufacturers. You can see it in action by searching for the keyword "kohbyo" on YouTube. https://www.youtube.com/@KOHBYO ■We also have a factory in Thailand, capable of accommodating a wide range of varieties and sizes, including parts for the automotive industry. We can handle material diameters from φ0.8 to φ20.0. 【Certifications Obtained】IATF 16949, ISO 14001 We respond to customer demands for local procurement.

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Products/Services (36)

Smart Feeder NJN-DV250 Series [Large Model] product image
Smart Feeder NJN-DV250 Series [Large Model]
Case: Looking for local suppliers in Southeast Asia while maintaining current costs. product image
Case: Looking for local suppliers in Southeast Asia while maintaining current costs.
[Example] Unable to expect supply of overseas parts, want to procure parts from Japan. product image
[Example] Unable to expect supply of overseas parts, want to procure parts from Japan.
[Example] I want to switch the sourcing of parts from overseas to within Japan. product image
[Example] I want to switch the sourcing of parts from overseas to within Japan.

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catalog(33)

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Smart Feeder NJN-DV250 Series [Large Model]

Smart Feeder NJN-DV250 Series [Large Model]

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Smart Feeder NJN-D300 Series [Large Model]

Smart Feeder NJN-D300 Series [Large Model]

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[Case] Looking for local procurement sources in Southeast Asia while maintaining current costs.

[Case] Looking for local procurement sources in Southeast Asia while maintaining current costs.

TECHNICAL
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[Example] Unable to expect supply of overseas parts, want to procure parts from Japan.

[Example] Unable to expect supply of overseas parts, want to procure parts from Japan.

TECHNICAL
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Detailed information

Company name 甲府精鋲
number of employees40
Contact addresspostalcode 409-3853 Yamanashi/ Showa-cho, Nakakoma-gun/ Tsukiji Shinkyo 1641-3View on map TEL:055-275-5333 FAX:055-275-5332
Key PartnersTo: Okaya Electric Industry Co., Ltd. To: San-ei Seiko Co., Ltd. To: Techno Associate Co., Ltd. To: Nidec Group Companies To: Mitsui Mining & Smelting Co., Ltd.
Industry Manufacturing and processing contract
甲府精鋲 Building Image

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