Company Profile

Greeting

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

President Noriaki Sawada

Corporate Information

Name Osaka Seiko Limited
Head Office Location 5-7-59 Nakaishikiri-cho Higashiosaka , Osaka
Founded March 14 ,1960
President Noriaki 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

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
Established at present location as a factory specializing in steel wire for screws.
1960
The first phase of construction of the head office and main plant is completed and operations begin.
1973
Nara Plant is completed and begins operations in Kawanishi-cho, Isogi-gun, Nara Prefecture.
1976
Production of deformed steel wire begins at the head office plant.
1986
Production of cold heading parts begins at the Nara Plant.
1998
ISO 9002 certification.
2000
ISO 14001 certification.
2002
APT, a cold heading parts manufacturing company, is established in South Carolina, U.S.A.
2003
Obtained ISO 9001:2000 certification.
2003
Production of steel wire for bearings begins at Nara Works.
2006
Installed a cold rolling mill at the head office plant.
2008
Invested in Shinko Special Steel Wire (Pinghu) Co.
2011
Construction of Kyushu Plant completed in Kitakyushu City, Fukuoka Prefecture.
2013
Invested in Jiangsu, China-based Shensho Osaka Seiko (Nantong) Co.
2017
One STC furnace is added to the Kyushu Plant.
2017
Obtained ISO 9001 and ISO 14001:2015 versions.
2018
Installed waste sulfuric acid recovery equipment at the Kyushu Plant.
2019
A new factory building was added to the Nara Plant. (Third factory)
2020
Newly installed pickling facilities and sulfuric acid recovery equipment at the Nara Plant.
2021
Two STC furnaces were added to the Nara Plant.

Access

Headquarters plant

Osaka Seiko Limited Headquarters plant
5-7-59 Nakaishikiri-cho, Higashiosaka, Osaka 579-8014 Japan
TEL:072-982-2721 /
FAX:072-987-1094

Nara plant

Osaka Seiko Limited Nara plant
712-7 Touin, Kawanishicho, Shiki, Nara 636-0204 Japan
TEL:0745-44-2303 /
FAX:0745-43-0504

Kyushu plant

Osaka Seiko Limited Kyushu plant
1-120-2, Hibikimachi, wakamatsu-ku, kitakyushu, Fukuoka 808-0021 Japan
TEL:093-761-3030 
FAX:093-761-6767