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About Kotani

History

1970
Masahiro Kotani founded Kotani Tankosho as a private company in Kasai City
1974
Incorporated and changed the company name to Kotani Co., Ltd.
1979
Plant No.2 was built at Shimo-miyaki-cho, Kasai City
1982
Sales amount exceeded 1 billion yen and production reached 800 thousand pieces per month
1983
Introduced 1,000 ton 5-station warm forging press machine (E line).
Started fully-automated production of bearings for FF type automobiles
1986
Introduced cool rolling machine for bearings
1991
Changed the company name from Kotani Tanko, Ltd. to Kotani Corporation
1993
Introduced hot rolling machine and 1,600 ton 5-station hot rolling forging machine (I Line)
1999
A new production method for hypoid gears (patent obtained)
2000
Obtained ISO 9002 certification
Introduced 2,500 ton 5-station hot forging line (A Line) and orbital forging line
2002
Obtained QS9000 certification
2004
Introduced 1,600 ton (M line)
Obtained ISO 14001 certification
2005
Plant No.4 (machining) was built
Introduced 2,500 ton 4-station hot forging line (R line)
Obtained ISO TS16949 certification
Increased the capital to 326 million and 400 thousand yen
2006
Kasai Minami Plant was built at Kasai Minami Industrial Complex
Introduced 2,500 ton press machine (S-line)
Introduced 1,200 ton press machine (T-line)
Introduced 2,000 ton press machine (U-line)
2007
Introduced Hot Rolling machine (H/R-F line)
Kotani Poland started its operation.
2009
Joint Venture agreement signed with Hirschvogel Holding GmbH
(JV company’s name changed to Hirschvogel Kotani Poland Sp. z.o.o.)
2011
Poland business completely transferred to Hirschvogel Holding GmbH
2012
No.5 plant constructed (Nov) 3500 ton (X-Line) installed
2013
Opening branch of Tokai sales office at Anjo-city (Aichi-pref)
2014
Kotani (Zhangjiagang) Co.Ltd established
2016
Kotani Mexico, S.A. de C.V. established
2017
No.6 plant constructed
IATF16949 : 2016 certification obtained.
2018
To expand a building of kasai-minami plant 1, it could achieve an integrated production(Process: shearing , forging and isothermal annealing)
No.8plant construsted (Dec)