冷間圧造用鋼線の製造から独自の冷間鍛造技術で自動車部品の製造、加工を一貫で行う大阪精工株式会社の代表ごあいさつ、会社概要、アクセスマップ等をご紹介いたします。

Corporate Information

  • Cold Heading Quality Steel Wire (CHQ steel wire)
  • Cold Forging Parts
  • Shaped steel wire & bar
Information of New develop material
Strength of Osaka Seiko
Approach to Ecology

President Hitoshi SawadaGreeting
Osaka Seiko Ltd. was established as a processor of steel wire for cold heading in 1960. Since then, we always work to response customers needs by expanding our product choices, and developing a foreign market.  We are working on the challenges for the new technical development in order to make sure that our future work will benefit our customers. In addition we get down to develop the new products contribute to the reduction of CO2. Our business policy is that "We aim at the glamorous company for customers, employees, and business partners. We strive to be a company which contributes to the growth of customers, works with the challenges and trusts of our employees, and supports each other as a partner in business. We always aim to react the change of an age promptly and to please customer’s requirement as the evidence growth.

President Hitoshi Sawada

Corporate Information

Name Osaka Seiko Limited
Head Office Location 5-7-59 Nakaishikiri-cho Higashiosaka , Osaka
Founded March 14 ,1960
President Hitoshi Sawada
Capital 44,000 thousand Jpn. yen
Plants Headquarters plant   5-7-59 Nakaishikiricho Higashiosaka, Osaka
Nara plant        712-7 Touin Kawanishicho Shiki, Nara
Kyushu plant     1-120-2 Hibikimachi wakamatsu-ku kitakyushu, Fukuoka
Production items Cold Heading Quality(CHQ) steel wire
Bearing steel wire
Shaped steel wire & bar , Cold finished steel bar
Cold forged parts & slugs
Oversea affiliate Aiken Precision Technologies, L.L.C. (Aiken,SC USA)
Grand Blanc Processing,L.L.C. (Holly,MI USA)
Shinsho K’MAC Precision Parts,L.L.C. (Novi,MI USA)
Kobe Special Steel Wire Products (Pinghu) Co Ltd. (Zhenjiang China)
Shinsho Osaka Seiko (Nantong) Corporation (Jiangsu China)
Kobelco CH Wire Mexicana, S.A.DE C.V. (Silao Guanajuato Mexico)

Acquisition of ISO Certification

ISO9001

JQA-2126

ISO14001

JQA-EM1085

Quality Management System ISO9001

Certification ISO 9001:2008
Certificate Number JQA-2126
Registration Date January 23, 1998
Scope of Registration The Design / Development, and Manufacture of Cold heading quality steel wire,
Shaped wire and bar, Cold finished bar, Precision parts by Cold formed machine and Slugs
Associated Organization
Main Plant 【The Design / Development, and Manufacture of Cold heading quality steel wire,
Shaped wire and bar, Cold finished bar】
Nara Plant 【The Design / Development, and Manufacture of Cold heading quality steel wire,
Precision parts by Cold formed machine and Slugs】
Kyushu Plant 【Manufacture of Cold heading quality steel wire】
Certification Body JQA (Japan Quality Assurance Organization)

Environmental Management System ISO14001

Certification ISO 14001:2004
Certificate Number JQA-EM1085
Registration Date November 2, 2000
Scope of Registration The Design / Development, and Manufacture of Cold heading quality steel wire,
Shaped wire and bar, Cold finished bar, Precision parts by Cold formed machine and Slugs.
Associated Organization
Main Plant
Nara Plant 【Scope of activity : Same as above】
Kyushu Plant 【Scope of activity : Manufacture of Cold heading quality steel wire】
Certification Body JQA (Japan Quality Assurance Organization)

History of Osaka Seiko

1960. 3
Founded as the plant of steel wire processing in Higashiosaka-city, Osaka.
1960. 10
Established Headquarters Plant in Higashiosaka-city Osaka.
1973. 1
Established Nara Plant.
1976. 6
Started producing shaped steel wire in Headquarters Plant
1977. 9
Started producing shaped steel bar in Nara Plant
1986. 11
Started producing Cold forged parts in Nara Plant
1996. 7
Acquired of certificate ISO 9002 for steel wire.
1998. 9
Acquired of certificate ISO 9002 for cold forged parts and slugs.
2000. 11
Acquired of certificate ISO 14001.
2002. 4
Established Aiken Precision Technologies LLC. (APT)
as Cold forged parts manufacture in Aiken, South Carolina, USA.
2003. 3
Acquired of certificate ISO 9001 (2000 version.)
Invested in Grand Blanc Processing,LLC. (GBP) Steel wire processor
in Michigan, USA.
2003.1
Started producing Bearing steel wire in Nara Plant.
2005.3
Started producing wire of titanium in Headquarters Plant
2007. 12
Invested in Kobe Special Steel Wire Products (Pinghu) Co Ltd, (KSP)
established by Kobe Steel Ltd. in China.
2011. 5 
Established Kyushu Plant in KitaKyushu-city, Fukuoka.
2013. 1
Invested in Shinsho Osaka Seiko (Nantong) Corporation
established by Shinsho Corporation in China.
2014. 9
Invested in Kobelco CH Wire Mexicana, S.A.DE C.V. (KCHM) Steel wire processor
established by Shinsho Corporation and Kobe Steel Ltd. in Mexico.

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Headquarters plant TEL:+81-72-982-2721 FAX:+81-72-987-10945-7-59 Nakaishikiricho Higashiosaka, Osaka
Nara plant TEL:+81-745-44-2303  FAX:+81-745-43-0504712-7 Touin Kawanishicho Shiki, Nara
Kyusyu plant TEL:+81-93-761-3030  FAX:+81-93-761-67671-120-2 Hibikimachi wakamatsu-ku kitakyushu, Fukuoka
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